000 00356nam a2200073 4500
080 _a
_b
245 _aIEC: 388 - 1 - 1972; Thermal time delay switches for use in equipment for telecommunication and in electronic applications employing similar techniques Part1 general resquirements and measuring methods
700 _aInternational Electrotechnical Commission
260 _aGeneva
_bIEC
_c1972
300 _a45p
999 _c35625
_d35625