620.0015515 GUP 35763 35764 35765 35766
Gupta, I. C. Text book of engineering metrology / by I. C. Gupta. - 4th rev. ed.. - Delhi : Dhanpat Rai, 1994 viii, 915p. :ill. Rs.110.00 * Comparators Engineering- Metrology Linear measurement Metrology
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