JB/T 3043-1999 This standard is a revision of JB 3043-82 "Precision of multi-axis boxes for modular machine tools". During the rev

JB/T 3042-1999 This standard is a revision of JB 3042-82 "Series Parameters of Clamping Cylinders for Modular Machine Tools". This

JB/T 3041-1999 This standard is a revision of JB 3041-82 "Precision of boring and facing heads for modular machine tools". After t

This standard specifies the technical requirements and methods for cleaning, rust prevention and inner packaging of rolling bearin

This standard specifies the general basic requirements for micro switches, including definition, classification, basic parameters,

This standard specifies the requirements, test methods, inspection rules and markings, instruction manuals, packaging, transportat

This standard specifies the product model, performance parameters, technical requirements, test items, inspection rules, marking,

This standard specifies the technical requirements, shipping and storage marks, acceptance rules, sales packaging, and packaging r