000 00348nam a2200145 4500
999 _c765
_d765
008 191217b ||||| |||| 00| 0 eng d
082 0 0 _a621.83
_bS8133
100 _9289
_aSteeds, W.
245 1 0 _aInvolute Gears
_cby W Steeds
250 _a1st ed.
260 _aLondon
_bLongmans
_c1948
300 _axv, 193 p.
650 0 _aGearing
942 _2ddc
_cBK