000 | 00351nam a2200121 4500 | ||
---|---|---|---|
999 |
_c173872 _d173872 |
||
027 |
_aBS 3026 : 1958 _q1958 |
||
041 | _aeng | ||
942 | _cSD | ||
110 | _aBritish Standards Institution, London | ||
245 | _aBS 3026 : 1958 : Voltages for high voltage D.C. transmission systems | ||
260 |
_aLondon _bBritish Standards Institution |
||
500 | _aSDT1219 |