Electronic Industry Standard (SJ)下载-第6页-标准下载网-www.bzxz.net

General specification for portable non-metallic mine detectors

SJ 20046-1992
General specification for air-conduction dynamic and electro magnetic transmitters

SJ 20045-1992
Safety requirements for short wave single sideband communication equipment

SJ 20044-1992
Methods of measurement for short wave single sideband set

SJ 20043-1992
Methods of measurement for tropsphering scattering communication equipment

SJ 20042-1992
Semiconductor discrete device-Detail specification for silicon NPN high-frequency low power transistor of Type 3DG120

SJ 20060-1992
Semiconductor discrete device-Detail specification for silicon NPN high-frequency low power transistor of Type 3DG111

SJ 20059-1992
Semiconductor discrete device-Detail specification for silicon NPN low power switching transistor of Type 3DK105

SJ 20058-1992