GB/T 1239.1-2009(英文版)
"Cold coiled helical springs technical specifications—Part 1:Extension spring" (English Version)

Standard No.

GB/T 1239.1-2009(英文版)

Language

English

Release Date

2009

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

GB/T 1239.1-2009(英文版) -All Parts