000 | 00328nam a2200121 4500 | ||
---|---|---|---|
027 |
_aBS 1968 : 1953 _q1953 |
||
041 | _aeng | ||
942 | _cSD | ||
110 | _aBritish Standard Institution, London | ||
245 | _aBS 1968 : 1953 : Floats for ballvalves ( Copper ) | ||
260 |
_aLondon _bBritish Standard Institution |
||
500 | _aSTD582 | ||
999 |
_c172628 _d172628 |