Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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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 12855-1991 Application and care for small power transmitting tubes 60.0 via email in 1~3 business day valid
QJ 2146-1991 360.0 via email in 1~5 business day valid
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