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General rules of explosion-protect techniques of reciprocating internal combustion engines for explosive atmospheres - Part 3: Group I engines for use in underground workings susceptible to firedamp and/or combustible dust
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STANDARD published on 20.5.2008
Designation standards: GB 20800.3-2008
Publication date standards: 20.5.2008
SKU: NS-895511
Country: Chinese technical standard
Category: Technical standards GB
Latest update: 2026-08-21 (Number of items: 2 298 377)
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