Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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SJ 1287-77 Electronic tubes,Type FU-101F and F-101Z 120.0 via email in 1~3 business day valid
SJ 20033-1992 Detail specification for air dielectric tubular (piston type) trimmer variable capacitor,Model JCWG31 60.0 via email in 1~3 business day valid
SJ 3163-1988 Sockets for colour picture tubes, Type GZS10-3-1 225.0 via email in 1~3 business day valid
SJ 1396-78 Methods of measurement for voltage standing wave ratio of gas discharge noise tubes 30.0 via email in 1~3 business day valid
SJ 2168-1982 Epoxy powder for coatings 120.0 via email in 1~3 business day valid
SJ 423-1973 Methods of measurement for matching characteristic of low noise travelling wave tubes 30.0 via email in 1~3 business day valid
SJ 436-1973 Method of measurement for frequency pushing figure of O-type backward-wave tubes 30.0 via email in 1~3 business day valid
SJ/T 10557.3-1994 Method for measurement of average dislocation density of Aluminium foil for electroytic capacitor 60.0 via email in 1~3 business day valid
SJ/Z 731-73 Preferred series and types photomultiplier tubes 480.0 via email in 1~3 business day valid
SJ/T 10244-1991 Microwave ceramic dielectric materials-Rutile for microwave dielectric materials 45.0 via email in 1~3 business day valid
SJ 431-73 Methods of measurement for voltages and currents of O-type backward-wave tube on per-electrodes 30.0 via email in 1~3 business day valid
SJ 434-73 Method of measurement for power-voltage characteristics of O-type backward-wave tubes 30.0 via email in 1~3 business day valid
SJ 363-73 Measurement of reflector total current, reflector ion current and reflector leakage current of reflex klystrons 30.0 via email in 1~3 business day valid
SJ 3228.8-1989 Determination of Alumiuium in high purity arenacous quartz 75.0 via email in 1~3 business day abolished
SJ 432-73 Method of measurement for cathode preheating time of O-type backward-wave tubes 30.0 via email in 1~3 business day valid
SJ 424-1973 Methods of measurement for cold loss of low noise travelling wave tubes 30.0 via email in 1~3 business day valid
SJ 2534.14-1985 Test procedures for antennas-Measurement of impedances 60.0 via email in 1~3 business day valid
SB/T 10647-2011 Quality management specification of dry-mixed mortar 450.0 via email in 1~3 business day valid
SJ 1398-78 Methods of measurement for excess noise ratio and nonstationary characteristic of gas discharge noise tubes 30.0 via email in 1~3 business day valid
SJ 1051-1976 Reflex klystrons,Type K-19 150.0 via email in 1~3 business day valid
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