000 00243nam a2200073 4500
080 _a
_b
245 _aIEC: 50(11) - 1956; International Electrotechincal vocabulary group 11 Static convertors
700 _aInternational Electrotechnical Commission
260 _aGeneva
_bIEC
_c1956
300 _a36p
999 _c24333
_d24333