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020 _a9788121927819
082 _a620
_bATE-R
100 _aR.S.KHURMI
245 2 _aA TEXTBOOK OF MECHINE DESIGN
250 _a1ST
260 _anew delhi
_bS.CHAND
_c2017
300 _a950
942 _cBK
999 _c28875
_d28875