000 00398nam a2200133Ia 4500
008 200806s9999 xx 000 0 und d
082 _a621.317
_bBRI
110 _aBritish Standards Institution
245 0 _aSpecification for electrical protective systems for A.C. plant
260 _aLondon
_bBritish Standards Institution
_c1965
300 _a35 p.
650 _aControl devices
942 _cPRP
999 _c142657
_d142656