WJ 931-1977
Optical instrument die-casting mold parts Optical instrument die-casting mold push rod (reset lever) (English Version)

Standard No.

WJ 931-1977

Language

Chinese, Available in English version

Release Date

1977

Published By

Professional Standard - Military and Civilian Products

Latest

WJ 931-1977

WJ 931-1977 history

• 1977 WJ 931-1977 Optical instrument die-casting mold parts Optical instrument die-casting mold push rod (reset lever)