WJ 924-1977
Die-casting mold parts for optical instruments Sprue sleeves for die-casting molds for optical instruments (English Version)

Standard No.

WJ 924-1977

Language

Chinese, Available in English version

Release Date

1977

Published By

Professional Standard - Military and Civilian Products

Latest

WJ 924-1977

WJ 924-1977 history

• 1977 WJ 924-1977 Die-casting mold parts for optical instruments Sprue sleeves for die-casting molds for optical instruments