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DHA'P10 UG/25458 UG/25459 UG/25460 UG/30508 Dhawan, R.K. Principles of engineering graphics and drawing / R.K. Dhawan. – Delhi : S. Chand , c2010 x, 422p. : some col.plat ISBN8121935180 : Rs.260/- . Engineering graphics |
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DHA'P10 UG/25458 UG/25459 UG/25460 UG/30508 Dhawan, R.K. Principles of engineering graphics and drawing / R.K. Dhawan. – Delhi : S. Chand , c2010 x, 422p. : some col.plat ISBN8121935180 : Rs.260/- . Engineering graphics |
