000 00321nam a2200073 4500
080 _a
_b
245 _aIEC: 947-6-1 - 1989 (Amendt No.1 - 1994); Low-voltage switchgear and controlgear Part 6 - Multiple function equipment section 1: Automatic transfer switching equipment
700 _aInternational Electrotechnical Commission
260 _aGeneva
_bIEC
_c1994
300 _a5p
999 _c35771
_d35771