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This standard specifies the structural type and connection dimensions of copper wire sealed bakeable flanges used in ultra-high va
JB/T 5276-1991 General technical requirements for small power DC motors JB/T5276-1991 Standard download decompression password: ww
This standard specifies the types, basic parameters and dimensions, technical requirements, test methods and inspection rules, as
This standard specifies the type, basic parameters and dimensions, technical requirements, test methods and inspection rules of el
This standard specifies the type, basic parameters, technical requirements, test methods, inspection rules, marking, packaging and
This standard specifies the type, basic parameters and dimensions, technical requirements, test methods and inspection rules of el
This standard specifies the type, basic parameters and dimensions, technical requirements, test methods and inspection rules of Y
This standard specifies the type, basic parameters and dimensions, technical requirements, inspection rules, standard additions an