WJ 831-1975
Cold stamping die parts Disc spring (English Version)

Standard No.

WJ 831-1975

Language

Chinese, Available in English version

Release Date

1975

Published By

Professional Standard - Military and Civilian Products

Latest

WJ 831-1975

WJ 831-1975 history

• 1975 WJ 831-1975 Cold stamping die parts Disc spring