WJ 979-1977
Optical instrument investment casting mold parts Optical instrument investment casting mold upper mold lug (English Version)
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WJ 979-1977
Standard No.
WJ 979-1977
Language
Chinese,
Available in English version
Release Date
1977
Published By
Professional Standard - Military and Civilian Products
Latest
WJ 979-1977
WJ 979-1977 history
1977
WJ 979-1977
Optical instrument investment casting mold parts Optical instrument investment casting mold upper mold lug
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