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This standard specifies the type, basic parameters and dimensions, technical requirements, test methods and inspection rules, mark
JB/T 6455-1992 Technical Specifications for YB-H Series Marine Flameproof Three-Phase Asynchronous Motors (Frame Size 80-280) JB/T
This standard specifies the technical requirements, test methods and inspection rules for heating resistance alloys. This standard
This standard specifies the technical requirements, test methods and inspection rules for DW914 series marine universal air circui
This standard specifies the terms, symbols, classification, basic parameters, working conditions, installation conditions, technic
JB/T 6451-1992 General Technical Requirements for Braking Electromagnets JB/T6451-1992 Standard Download Decompression Password: w
This standard specifies the type, parameters and dimensions, technical requirements, test methods, inspection rules, and marking a
This standard specifies the type, basic parameters and dimensions, technical requirements, inspection rules and test methods, and