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082 _a621.994 R215M
100 _aMahajan M
245 2 _aA text book of metrology
_cMahajan M
250 _a2nd
260 _aNew Delhi
_bDhanpat Rai
_c2003
300 _a448p
650 _aMetrology
_942868
942 _cBK
999 _c8631
_d8631