000 | 00368nam a2200121 4500 | ||
---|---|---|---|
027 |
_aBS 1761 : 1951 _q1951 |
||
041 | _aeng | ||
942 | _cSD | ||
110 | _aBritish Standard Institution, London | ||
245 | _aBS 1761 : 1951 : Single bucket excavators of the crawler - mounted friction - driven type | ||
260 |
_aLondon _bBritish Standard Institution |
||
500 | _aSTD489 | ||
999 |
_c172511 _d172511 |