000 | 00316nam a22001217a 4500 | ||
---|---|---|---|
082 |
_a621.7665 _bBRI |
||
100 | _aBritish standards institution | ||
245 | _aBritish standard bevel gears (machine cut) | ||
260 |
_aLondon _bBritish standard institution _c1949 |
||
300 |
_a36 p. _billus. |
||
650 | _aMCE | ||
942 | _cBK | ||
999 |
_c9045 _d9045 |