WJ 1970-1990
Copper and copper alloy internal stress test mercury salt method (English Version)

Standard No.

WJ 1970-1990

Language

Chinese, Available in English version

Release Date

1990

Published By

Professional Standard - Military and Civilian Products

Latest

WJ 1970-1990

WJ 1970-1990 history

• 1990 WJ 1970-1990 Copper and copper alloy internal stress test mercury salt method