JJG(航天) 21-1985
Verification Regulations for Hole and Groove Comparison Gauge (English Version)
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JJG(航天) 21-1985
Standard No.
JJG(航天) 21-1985
Language
Chinese,
Available in English version
Release Date
1985
Published By
National Metrological Verification Regulations of the People's Republic of China
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