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JB/T 875-1999 Alkyd air-drying covering paint
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This standard specifies the type, requirements, test methods, inspection rules, packaging, marking, storage and transportation of
1970-01-01 category：Machinery Industry Standard (JB)+ View
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JB/T 866-1999 Copper core paper insulated star twisted lead sleeve high frequency symmetrical communication cable
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This standard specifies the technical requirements, test methods, inspection rules, delivery length, packaging and marking of copp
1970-01-01 category：Machinery Industry Standard (JB)+ View
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JB/T 834-1999 Technical requirements for tropical low-voltage electrical appliances
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This standard specifies the climate protection type and environmental conditions, technical requirements, test methods, acceptance
1970-01-01 category：Machinery Industry Standard (JB)+ View
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JB/T 832-1998 Humid tropical type high voltage electrical appliances
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This standard is applicable to AC high-voltage circuit breakers, isolating switches, load switches, grounding switches, sectionali
1970-01-01 category：Machinery Industry Standard (JB)+ View
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JB/T 831-1991 Tropical power transformers, transformers, voltage regulators, reactors
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JB/T 831-1991 Tropical power transformers, transformers, voltage regulators, reactors JB/T831-1991 Standard download and decompres
1970-01-01 category：Machinery Industry Standard (JB)+ View
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JB/T 743-2000 Z series seat type sliding bearings for motors
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This standard specifies the model, specifications, dimensions, technical requirements, test methods, inspection rules, transportat
1970-01-01 category：Machinery Industry Standard (JB)+ View
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JB/T 681-1999 Copper core paper insulated twisted pair local communication cable
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This standard specifies the technical requirements, inspection rules, delivery length, marking and packaging of copper core paper
1970-01-01 category：Machinery Industry Standard (JB)+ View
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JB/T 599-1991 Pressure gauge calibrator
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JB/T 599-1991 Pressure gauge calibrator JB/T599-1991 standard download and decompression password: www.bzxz.net
1970-01-01 category：Machinery Industry Standard (JB)+ View
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