GB/T 7957-2017

General requirements for constructionperformance and explosion protected testing of caplights for use in mines susceptible to firedamp

STANDARD published on 29.12.2017

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The information about the standard:

Designation standards: GB/T 7957-2017
Note: WITHDRAWN
Publication date standards: 29.12.2017
Country: Chinese technical standard
Category: Technical standards GB