SJ 20914-2004.General specification for spectrum analyzer.1范围SJ 20914规定了频谱分析仪的通用...

行业标准2023.07.25

SJ 20915-2004.General specification for 400Hz static frequency converter power-s...

行业标准2023.07.25

SJ 20922-2005.General specification for military frequency hopped HF modem.1范围SJ...

行业标准2023.07.25

SJ 20932-2005.General specification for ultrashort-wave direction finder.1范围SJ 2...

行业标准2023.07.25

SJ 20881-2003.Technique requirements of secure certificate management system.1范围...

行业标准2023.07.25

SJ 20884-2003.Testing method for phased array antenna.1范围SJ 20884规定了相控阵天线方向图、增益等...

行业标准2023.07.25

SJ 20249-1993.Verification regulation of model BP28A LF spectrum analyzers.1范围1....

行业标准2023.07.25

SJ 20906-2004.Impregnating technics specification for electronic transformer.1范围...

行业标准2023.07.25

SJ 52278/1-1996.Type ER 14250、ER34615 batteries, non-rechargeable lithium thiony...

行业标准2023.07.25

SJ 52149/1-1996.Potentiometers, preset wire-wound,lead-screw actuated, establish...

行业标准2023.07.25