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This standard specifies the technical requirements, inspection rules, marking and packaging of connecting rod nuts for internal co
This standard specifies the technical requirements, inspection rules, marking and packaging of connecting rod bolts for internal c
This standard specifies the technical requirements, inspection rules and marking, packaging, transportation and storage of gears s
This standard specifies the type and size of the oil pump drive shaft end. This standard applies to the design and manufacture of
This standard specifies the technical requirements, inspection rules and marking, packaging, transportation and storage of externa
This standard is a revision of ZB J48 005-89. JB/T 8412-1996 Air shovel JB/T8412-1996 Standard download decompression password: ww
This standard is a revision of ZB J48 004-88. During the revision, the problems existing in the original standard and the clauses
This standard specifies the acoustic performance, test methods and necessary evaluation criteria for the alarm installed on the ma