000 00261nam a2200073 4500
080 _a
_b
245 _aBS-4944 - 1973; Specification for reactors, arc-suppression coils and earthing transformers for electric power systems
700 _aBritish Standards Institution
260 _aLondon
_bBSI
_c1973
300 _a16p
999 _c26747
_d26747