GB/T 50518-2020

Standard for the equipment of ventilative safety of coal colliery

NORM herausgegeben am 16.1.2020

English, Chinesisch -
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The information about the standard:

Designation standards: GB/T 50518-2020
Publication date standards: 16.1.2020
Country: Chinese technical standard
Kategorie: Technische Normen GB