000 00262nam a2200073 4500
080 _a
_b
245 _aIEC: 755 - 1983 (Amendment No.2 -1992); Genereal rquirements for residual current operated protective devices
700 _aInternational Electrotechnic Commission
260 _aGeneva
_bIEC
_c1992
300 _a21p
999 _c35818
_d35818