Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
LoginRegister
Position: Search valid to be valid superseded to be superseded abolished to be abolished
Standard No. Title Price(USD) Delivery Status Add to Cart
GB 7274-1987 Methods for the measurement of direct interelectrode capacitances of electronic tubes and valves 150.0 via email in 1~3 business day valid
GB/T 4183-2002 Molybdenum-tungsten alloy wire 150.0 via email in 1~3 business day valid
GB/T 2987-1996 Letter symbols of parameter for electronic tubes 525.0 via email in 1~3 business day valid
SJ/T 11082-2000 Measuring methods of the heater or filament current and voltage for electronic tubes 60.0 via email in 1~3 business day valid
GB/T 787-2013 Mechanical Dimensions of Receiving Tubes 570.0 via email in 1~5 business day valid
GB/T 12855-1991 Application and care for small power transmitting tubes 60.0 via email in 1~3 business day valid
GB 3188-1982 Outline dimensions of electronic tubes 120.0 via email in 1~3 business day superseded
GB 2987-1982 120.0 via email in 1~3 business day superseded
GB 11287-1989 Vibration(sinusoidal) tests on relays and protection equipment via email in business day valid
QJ 2146-1991 360.0 via email in 1~5 business day valid
GB 11028-1989 Test method for the evaluation of bond strength of impregnating varnishes by the wire bundle test via email in business day valid
GB 11032-1989 Metal oxide surge arresters without gaps for a.c. systems 465.0 via email in 1~5 business day superseded
SJ/T 11246-2001 The ceramic housing used in vacuum interrupter 150.0 via email in 1~3 business day valid
SJ/T 10732-2000 The type designation for electron tubes 210.0 via email in 1~3 business day valid
GB/T 4597-2012 Vocabulary of electronic tubes 2100.0 via email in 1~3 business day valid
About Us | Contact Us | Payment
Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 | Email: coc@codeofchina.com | Send me a messageQQ: 672269886
Copyright: Codeofchina Inc 2008-2020