000 | 00355nam a2200121 4500 | ||
---|---|---|---|
027 |
_aBS 2062 : Part 1 : 1959 _q1959 |
||
041 | _aeng | ||
942 | _cSD | ||
110 | _aBritish Standard Institution, London | ||
245 |
_aBS 2062 : Part 1 : 1959 : Gear hobes : _bHobes for general purposes |
||
260 |
_aLondon _bBritish Standard Institution |
||
500 | _aSTD600 | ||
999 |
_c172648 _d172648 |