
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
NORMA vydána dne 20.5.2008
Designation standards: GB 20800.3-2008
Publication date standards: 20.5.2008
Country: Chinese technical standard
Kategorie: Technické normy GB