JJF 1777-2019
Program of Pattern Evaluation of Cold Potable Water Meters (English Version)
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JJF 1777-2019
Standard No.
JJF 1777-2019
Language
Chinese,
Available in English version
Release Date
2019
Published By
National Metrological Technical Specifications of the People's Republic of China
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JJF 1777-2019
JJF 1777-2019 history
2019
JJF 1777-2019
Program of Pattern Evaluation of Cold Potable Water Meters
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