000 00258nam a2200073 4500
080 _a
_b
245 _aBS-0842 - 1965 (with amendment No.1 - 1980); Specification for A.C. Voltage-operated Earth-leakage Circuit Breakers
700 _aBritish Standards Institution
260 _aLondon
_bBSI
_c1965
300 _a28p
999 _c31401
_d31401