000 00322nam a2200121Ia 4500
008 220201s1975 xx 000 0 eng d
041 _aENG
100 _aI.S.I 7443 - 1974
245 0 _aMETHODS FOR LEAD RATING OF WORM GEARS
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1975
300 _a12
942 _2ddc
999 _c47392
_d47392