ZH
RU
ES

Double standard

Double standard, Total:47 items.

In the international standard classification, Double standard involves: Iron and steel products, Galvanic cells and batteries, Materials for aerospace construction, Optical equipment, Electronic tubes, Radiation measurements, Transformers. Reactors, Cereals, pulses and derived products.

SE-SIS, Double standard

• SIS SMS 1359-1950
• SIS SS IEC 462:1983 Nuclear instrumentation - Standard test procedures for photomultiplier tubes for scintillation counting

Institute of Electrical and Electronics Engineers (IEEE), Double standard

• NFPA (Fire) 11 Standard for Low-, Medium-, and High-Expansion Foam, 2021 Edition
• IEEE P1541/D8, August 2021 IEEE Draft Standard for Prefixes for Binary Multiples
• IEEE P1541/D10, October 2021 IEEE Approved Draft Standard for Prefixes for Binary Multiples
• IEEE Std 1541-2002(R2008) IEEE Standard for Prefixes for Binary Multiples
• IEEE 1541-2021 IEEE Standard for Prefixes for Binary Multiples
• IEEE Std 1541-2021 IEEE Standard for Prefixes for Binary Multiples
• IEEE Std 1541-2002 (R2008) IEEE Standard for Prefixes for Binary Multiples
• IEEE Std 1541-2021 - Redline IEEE Standard for Prefixes for Binary Multiples - Redline
• IEEE P1541/D4, May 2018 IEEE Draft Standard for Prefixes for Binary Multiples
• IEEE P1541/D9, September 2021 IEEE Draft Standard for Prefixes for Binary Multiples
• IEEE P1541/D7, July 2021 IEEE Draft Standard for Prefixes for Binary Multiples

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Double standard

• GB/T 14999.5-1994 Photomicrographs and photomacrographs for evaluating of heat-resisting superalloys

National Fire Protection Association (NFPA), Double standard

• NFPA 11-2021 Standard for Low-, Medium-, and High-Expansion Foam (Effective Date: 11/22/2020)
• NFPA 11 AMD 1-2020 Standard for Low-, Medium-, and High-Expansion Foam (Effective Date: 12/23/2020)
• NFPA 1-2021 Standard for Low-, Medium-, and High-Expansion Foam (Effective Date: 12/23/2020)
• NFPA 1-2021 AMD 4 Standard for Low-, Medium-, and High-Expansion Foam (Effective Date: 12/23/2020)
• NFPA 11-2016 CORR Standard for Low-, Medium-, and High-Expansion Foam (Effective Date: 12/23/2020)
• NFPA 1-2021 AMD 1 Standard for Low-, Medium-, and High-Expansion Foam (Effective Date: 12/23/2020)
• NFPA 1-2021 AMD 3 Standard for Low-, Medium-, and High-Expansion Foam (Effective Date: 12/23/2020)
• NFPA 1-2021 AMD 2 Standard for Low-, Medium-, and High-Expansion Foam (Effective Date: 12/23/2020)
• NFPA 11-2016 Standard for Low-, Medium-, and High-Expansion Foam (Effective Date: 09/07/2015; ALERT: THIS STANDARD HAS BEEN MODIFIED BY A TIA OR ERRATA)

Group Standards of the People's Republic of China, Double standard

• T/CI 035-2022 Calibration method of magnification of X-ray detection equipment for lithium ion battery
• T/XHNCJLH 1202-2019 Xindong Xinhuang Galla Honey Circulation Standard

Professional Standard - Ferrous Metallurgy, Double standard

• YB/T 4093-1993 Longitudinal low-magnification microstructure standard of GH4133B alloy disc forging
• YB 4093-1993 Longitudinal low-magnification microstructure standard of GH4133B alloy disc forging

Military Standards (MIL-STD), Double standard

• DOD A-A-54498-1991 BETAMETHASONE DIPROPIONATE CREAM, USP
• DOD A-A-53868-1989 BETAMETHASONE BENZOATE GEL, USP

National Metrological Verification Regulations of the People's Republic of China, Double standard

• JJG(航天) 24-1987 Frequency difference multiplier (frequency standard comparator) Verification regulations

Professional Standard - Aviation, Double standard

• HB/Z 210-1991 Low microstructure standard for turbojet engine turbine inner and outer shaft forgings

American Society for Testing and Materials (ASTM), Double standard

• ASTM E1951-98 Standard Guide for Calibrating Reticles and Light Microscope Magnifications
• ASTM E1951-02 Standard Guide for Calibrating Reticles and Light Microscope Magnifications
• ASTM E1951-01 Standard Guide for Calibrating Reticles and Light Microscope Magnifications
• ASTM E1951-14(2019) Standard Guide for Calibrating Reticles and Light Microscope Magnifications
• ASTM E766-14(2019) Standard Practice for Calibrating the Magnification of a Scanning Electron Microscope
• ASTM E766-14e1 Standard Practice for Calibrating the Magnification of a Scanning Electron Microscope
• ASTM E766-14 Standard Practice for Calibrating the Magnification of a Scanning Electron Microscope

Professional Standard - Electron, Double standard

• SJ/Z 9012-1987 Standard test methods for photomultiplier tubes for scintillation counting

International Electrotechnical Commission (IEC), Double standard

• IEC 60462:1974 Standard test procedures for photomultiplier tubes for scintillation counting

American National Standards Institute （ANSI), Double standard

• ANSI/IEEE 111:2000 Standard for Wide Band (Greater than 1 Decade) Transformers

Professional Standard - Judicatory, Double standard

• SF/T 0135-2023

(U.S.) Joint Electron Device Engineering Council Soild State Technology Association, Double standard

• JEDEC JESD212B.01-2013 GRAPHICS DOUBLE DATA RATE (GDDR5) SGRAM STANDARD
• JEDEC JESD232-2015 GRAPHICS DOUBLE DATA RATE (GDDR5X) SGRAM STANDARD
• JEDEC JESD212C-2016 GRAPHICS DOUBLE DATA RATE (GDDR5) SGRAM STANDARD
• JEDEC JESD209A-2009 Low Power Double Data Rate (LPDDR) SDRAM Standard
• JEDEC JESD209B-2010 Low Power Double Data Rate (LPDDR) SDRAM Standard

Others:   mark, no mark, mark, times correction, Mark +, in mark, Standard + external standard, Chromaticity times, Double standard, Pirelli, Bayman, Beihui, Inside and outside the standard, mark, Gas scale, Billing, Gas scale, + mark, Bibio, Standard sample Standard sample.