WJ 969-1977
Optical Instrument Investment Casting Mold Components Optical Instrument Investment Casting Mold Guide Sleeve (English Version)

Standard No.

WJ 969-1977

Language

Chinese, Available in English version

Release Date

1977

Published By

Professional Standard - Military and Civilian Products

Latest

WJ 969-1977

WJ 969-1977 history

• 1977 WJ 969-1977 Optical Instrument Investment Casting Mold Components Optical Instrument Investment Casting Mold Guide Sleeve