JJG(地质) 1021-1994
Verification Regulations for Relative Density Meter (English Version)
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JJG(地质) 1021-1994
Standard No.
JJG(地质) 1021-1994
Language
Chinese,
Available in English version
Release Date
1994
Published By
National Metrological Verification Regulations of the People's Republic of China
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