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This standard specifies the main parameters, basic parameters and structural dimensions of notching machines. This standard is app
This standard specifies the technical requirements, test methods, inspection rules and marking, packaging, transportation and stor
This standard specifies the technical parameters and test methods of DC choppers for traction. This standard applies to DC chopper
This standard specifies the basic parameters, technical requirements, test methods, inspection rules, marking, packaging, transpor
This standard specifies the definition, model and classification, technical requirements, test methods, inspection rules, product
JB/T 5345-1991 Butterfly valve for transformer JB/T5345-1991 Standard download decompression password: www.bzxz.net
This standard specifies the product classification, technical requirements, test items and methods, marking, packaging, transporta
JB/T 5344.1-1991 General Principles of Submerged Arc Furnace Transformer JB/T5344.1-1991 Standard Download Decompression Password: