000 00324nam a2200133Ia 4500
008 220201s1961 xx 000 0 eng d
041 _aENG
100 _aHOUGHTON, P S
245 0 _aGEARS, SPERS HELICAL BEVEL & WORM
250 _a2ND
260 _aDELHI
_bTECH INDIA PUBLICATION
_c1961
300 _aXVI+391
942 _2ddc
999 _c38678
_d38678