000 00219nam a2200073 4500
080 _a
_b
245 _aBS-0171 - Part 1 - 1978/IEC 76 - 1 - 1976; Power Transformers Part 1 General
700 _aBritish Standards Institution
260 _aLondon
_bBSI
_c1978
300 _a20p
999 _c29193
_d29193