000 00382nam a2200121 4500
027 _aBS 328 : Part 2 : 2972
_q1972
041 _aeng
942 _cSD
110 _aBritish Standards Institution, London GB
245 _aBS 328 : Part 2 : 2972 : Specification for twist drils and combined drills and countersinks
260 _aLondon
_bBritish Standards Institution
500 _aSTD67
999 _c172026
_d172026