000 00237nam a2200073 4500
080 _a
_b
245 _aIEC: 60947-Part 1-1999; Low-voltage switchgear and controlgear Pt.1: General rules
100 _aINTERNATIONAL ELECTROTECHNICAL COMMISSION
260 _aGENEVA
_bIEC
_c1999
300 _a325
999 _c36175
_d36175