WJ 2017-1991
Aluminum and aluminum alloy hard anodized layer for military optical instruments (English Version)

Standard No.

WJ 2017-1991

Language

Chinese, Available in English version

Release Date

1991

Published By

Professional Standard - Military and Civilian Products

Latest

WJ 2017-1991

WJ 2017-1991 history

• 1991 WJ 2017-1991 Aluminum and aluminum alloy hard anodized layer for military optical instruments