000 00275nam a2200085 4500
080 _a
_b
245 _aIEC: 60079-2-2001; Electrical apparatus for explosive gas atmosphers Part 2; Pressurized enclosures "P"
100 _aIEC
250 _a4
260 _aGeneva
_bInternational Electrotechnical commission
_c2001
300 _a95
999 _c37909
_d37909