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JB/T 1012-1991 Technical Specifications for YY Series Capacitor-Run Asynchronous Motors JB/T1012-1991 Standard download decompress
JB/T 1011-1991 Technical Specifications for YC Series Capacitor-Start Asynchronous Motors JB/T1011-1991 Standard Download Decompre
JB 4029-2000 This standard is a revision of JB 4029-85 "Technical requirements for safety protection of grinding wheel guards for
This standard applies to flameproof feeder switches for use in mines (hereinafter referred to as feeder switches). The feeder swit
JB 3726.1-1984 General Technical Requirements for Boiler Deslagging Equipment Manufacturing Standard JB3726.1-1984 Standard downlo
JB 3622-1984 Strength calculation of pressure components of shell boilers JB3622-1984 standard download decompression password: ww
JB 3380-1999 This standard is a revision of JB 3380-83 "Structural safety standard for woodworking planers" based on the European
This standard specifies the type, basic parameters, technical requirements, test methods, inspection rules, marking, packaging, tr