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