000 00361nam a2200085 4500
080 _a
_b
245 _aIEC: 61241-1-2, Ed.2-1999; Electrical apparatus for use in the presence of combustible dust- Part 1-2: Electrical apparatus protected by enclosures and surface temperature limitation-selection, installation and maintenance
100 _aI.E.C.
250 _a2nd
260 _aGeneva
_bIEC
_c1999
300 _a19
999 _c37267
_d37267