000 00263nam a2200085 4500
080 _a
_b
245 _aIEC: 79-4, Ed.2-1975-01; Electrical Apparatus for Explosive Gas Atmospheres, Part 4: Method of Test for Ignition Temperature
100 _aI.E.C.
250 _a2nd
260 _aGeneva
_bIEC
_c1975
300 _a19
999 _c37181
_d37181