QB/T 2505-2000
Technical conditions for blackening of sewing machine parts (English Version)

Standard No.

QB/T 2505-2000

Language

Chinese, Available in English version

Release Date

2000

Published By

Professional Standard - Light Industry

Latest

QB/T 2505-2000

Scope

This standard specifies the definition, technical requirements, test methods and inspection rules for blackening of steel parts of sewing machines. This standard applies to the blackening treatment of steel parts of sewing machines.

QB/T 2505-2000 history

• 2000 QB/T 2505-2000 Technical conditions for blackening of sewing machine parts