JJF(石化) 039-2020
Calibration specification for rubber Akron abrasion testing machine (English Version)
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JJF(石化) 039-2020
Standard No.
JJF(石化) 039-2020
Language
Chinese,
Available in English version
Release Date
2020
Published By
National Metrological Technical Specifications of the People's Republic of China
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