GB/T 12649 Measuring methods for meteorological radar parameters
GB/T 17838 Specification for the ships' auxiliary marine hydrology and metereological observations
GB/T 191 Packaging.Pictorial marking for handling of goods
GB/T 20068 Technical requirements of shipborne automatic identification system
GB/T 21431 Technical code for inspection of lightning protection system in building
GB/T 2260 Codes for the administrative divisions of the People's Republic of China
GB/T 28181 Technical requirements for information transmission,switch and control in video surveillance networking system for public security*, 2022-12-30 Update
GB/T 32401 VHF/UHF band radio monitoring receiver technical requirements and test methods
GB/T 34089 Test parameters and test methods for VHF/UHF frequency band radio monitoring and direction finding system in OATS
GB/T 4208 Degrees of protection provide by enclosure (IP code)
IEC 60945 Maritime navigation and radiocommunication equipment and systems - General requirements - Methods of testing and required test results; Corrigendum 1
YD/T 2022 Technical requirements for time synchronization equipment