This standard is formulated based on the samples and technical data of domestic and foreign companies and the analysis of the spec

This standard specifies the type and basic parameters, technical requirements, test methods, inspection rules, marking, packaging,

This standard specifies the classification, model, structural type, technical requirements, test methods, inspection rules, markin

This standard specifies the determination of the critical foreline pressure of a vapor flow vacuum pump. This standard applies to

This standard specifies the determination of the pumping rate (volume flow rate) of steam vacuum pumps. JB/T 8472.1-1996 Determina

This standard specifies the inspection items for bag dust collectors after installation on site in accordance with GB 6719-86 "Bag

This standard specifies the type and basic parameters, technical requirements, test methods, packaging, transportation and storage

This standard specifies the types and basic parameters, technical requirements, test methods, inspection rules, marking and packag