JB/T 3735-1999 This standard adopts the Francis runner part of IEC 193 Amendment No.1 "International Code for Acceptance Test of H

This standard specifies the ordering, technical requirements, test rules and methods for hot-rolled forged alloy steel work rolls.

This part specifies the series composition, use, performance and variety of gear shaving machines. This part is applicable to gear

This part specifies the main parameters, processing capacity parameters and connection size parameters of the shaving machine. Thi

JB/T 3732.2-1999 This standard specifies and supplements GB/T 9061-1988 "General Technical Requirements for Metal Cutting Machine

This standard specifies the performance test items, test conditions and test methods for gear shaving machines. This standard is a

This standard specifies the test method for evaluating the durable thermal performance of flexible composite materials for electri

JB/T 3721-1999 This standard is a revision of JB 3721-84 "Disc brake shoes for mine hoists". The main technical content change is