Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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SJ 2253-1982 Method of measurement of granularity of cathode carbonate 90.0 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 2168-1982 Epoxy powder for coatings 120.0 via email in 1~3 business day valid
SJ 2859-1988 Detail specification for electronic components - Fixed power resistors - Fixed wirewound resistors for Type RXG2 Assessment level E 255.0 via email in 1~3 business day valid
SJ 2534.1-1984 Test procedures for antennas - Antenna-range instrumentation 180.0 via email in 1~3 business day valid
SJ/T 11020-1996 Methods of analysis for silver-copper brazing for electronic devices - Determination of copper (iodimetric method) 30.0 via email in 1~3 business day valid
SJ 1.12-1987 Requirements for review of draft standards by technical committees for professional standardization 45.0 via email in 1~3 business day valid
GB/Z 23693-2009 Project management - Areas of knowledge 450.0 via email in 1~3 business day valid
SJ/T 10087.4-1991 Methods of chemical analysis for glass raw materials for colour picture tubes - Methods for chemical analysis of limestone 60.0 via email in 1~3 business day valid
SJ/Z 9013-1987 Measurements of incidental ionizing radation from electronic tubes 104.0 via email in 1~3 business day valid
SJ/Z 9010.9-1987 Measurements of electrical properties of electronic tubes and valves--Part 9: Methods of measuring the cathode-interface impedance 730.0 via email in 1~3 business day abolished
SJ/T 11136-1997 Zirconium dioxide used for electronic ceramics 150.0 via email in 1~3 business day valid
SJ 1439-1978 Pulsed magnetron,Type CKM-114B 150.0 via email in 1~3 business day valid
SJ/T 10087.6-1991 Methods of chemical analysis for glass raw materials for colour picture tubes - Methods for chemical analysis of cerium hydrate 30.0 via email in 1~3 business day valid
SJ/T 11032-1996 Methods of analysis for gold-copper and gold-nickel brazing for electronic devices-Determination of zinc (spectrophotometric atomic absorption method) 60.0 via email in 1~3 business day abolished
SJ/T 10375-1993 Filling-in for technological document format 450.0 via email in 1~3 business day valid
SJ/T 10550-1994 Test method for gas emission characteristics of colloidal graphite in vacuum for use in electron tube 150.0 via email in 1~3 business day valid
SJ 332-73 Generic specification for receiving tubes, high reliability, subminiature and finger-shaped 180.0 via email in 1~3 business day valid
SJ 2757-1987 Method of measurement by infra-red reflection for charge carrier concentraiton of heavily doped semiconductors 90.0 via email in 1~3 business day valid
SJ/Z 9010.26-1987 Measurement of electrical properties of electronic tubes Part 26 Methods of measurement for camera tubes 450.0 via email in 1~3 business day abolished
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