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041 _aENG
082 _a621.3
_bSP-E
100 _aSpence WP
245 0 _aEngineering graphics
250 _a1st
260 _c1988
_aNew Delhi
_bPrentice-Hall of India Private Limited
300 _a770
650 _aMechanical Engineering
942 _cBK
999 _c1681
_d1681