This standard replaces JB 2604-79. This standard specifies the technical requirements, test methods, inspection rules, marking, pa

This standard specifies the types, basic parameters, technical requirements, test methods and inspection rules of electric single-

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This standard specifies the model compilation and naming of lead-acid battery products. This standard applies to the model compila

This standard specifies the types and basic parameters, technical requirements, inspection rules, as well as marking and packaging

JB/T 2589-1999 This standard is a revision of JB 2589-86 "Model compilation method for positive displacement compressors". The mai

This standard specifies the technical requirements, inspection rules, marking and packaging of sliding bearing seats. JB/T 2564-19

This standard specifies the types, dimensions and selection requirements of split-type four-stud oblique sliding bearing seats. Th