000 00294nam a2200073 4500
080 _a
_b
245 _aIEC: 947 - 3 - 1990; Low-voltage switchgear and controlgear Part 3 switches, disconnectors, switch-disconnectors and fuse-combination units
700 _aInternational Electrotechnical Commission
260 _aGeneva
_bEC
_c1990
300 _a109p
999 _c33476
_d33476