L 90 标准查询与下载
共找到 33 条与 相关的标准，共 3 页
Copper conductor paste for thick film hybrid integrated circuits
- ICS
- 31.03
- CCS
- L 90
- 发布
- 2020-12-09
- 实施
- 2021-04-01
Density balance method for determination of particle size distribution of corundum powder for electric vacuum devices
- ICS
- 31.03
- CCS
- L 90
- 发布
- 2020-12-09
- 实施
- 2021-04-01
Method for Determination of Voltage Holding Rate of Nematic Thermotropic Liquid Crystal Monomer
- ICS
- 31.12
- CCS
- L 90
- 发布
- 2020-09-18
- 实施
- 2020-10-18
Tin alloy powder for soldering electronic products
- ICS
- 31.03
- CCS
- L 90
- 发布
- 2019-12-24
- 实施
- 2020-07-01
General Specification for Solder Paste
- ICS
- 31.03
- CCS
- L 90
- 发布
- 2019-12-24
- 实施
- 2020-07-01
Chemical composition and morphology of lead-free solder
- ICS
- 31.03
- CCS
- L 90
- 发布
- 2019-12-24
- 实施
- 2020-07-01
Gas Chromatography and Gas Chromatography-Mass Spectrometry Examination Method for 3-Fluoro-4-cyanophenol Ester Liquid Crystal Monomers
- ICS
- 31.03
- CCS
- L 90
- 发布
- 2019-11-28
- 实施
- 2019-12-28
Test method for clearing point of nematic thermotropic liquid crystal for monochrome display
- ICS
- 31.12
- CCS
- L 90
- 发布
- 2019-11-28
- 实施
- 2019-12-28
本标准规定了锂离子电池用电子铜箔（以下简称锂电铜箔）的产品分类、技术要求、试验方法、检验规则以及标志、包装、运输、贮存 。 本标准适用于锂离子电池、聚合物锂离子电池及动力锂离子电池用电子铜箔。
Electronic Copper Foil for Li-ion Batteries
- ICS
- 31.190
- CCS
- L 90
- 发布
- 2014-12-17
- 实施
- 2015-01-17
本标准规定了无砷电子铜箔（以下简称铜箔）的型号与规格、技术要求、试验方法、检验规则以及标志、包装、运输、贮存。 本标准适用于印制电路板及其它用无砷电子铜箔。
Arsenic-free electronic copper foil
- ICS
- 31.190
- CCS
- L 90
- 发布
- 2014-12-17
- 实施
- 2015-01-17
Detail specification for piezoelectric ceramic atomizing elements
- ICS
- 31.140
- CCS
- L 90
- 发布
- 2013-12-06
- 实施
- 2014-02-01
