DIN 51869
Dermining the water content of gaseous fuels and other gases by Karl Fischer coulometric method
现行
发布日期 :
2001-09-01
实施日期 :
ITU-T A.5
Generic procedures for including references to documents of other organizations in ITU-T Recommendations
现行
发布日期 :
2030-11-01
实施日期 :
ITU-T G.691
Optical interfaces for single channel STM-64 and other SDH systems with optical amplifiers
现行
发布日期 :
2029-03-01
实施日期 :
ITU-T J.19
A conventional test signal simulating sound-programme signals for measuring interference in other channels
现行
发布日期 :
2025-11-01
实施日期 :