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KHA'P15 UG/19763 UG/19764 UG/19765 UG/19766 UG/19767 UG/19768 UG/19769 UG/19770 UG/19771 UG/19772 UG/24081 UG/24082 UG/24083 UG/24084 UG/24085 UG/24086 UG/24087 UG/24088 UG/24089 UG/24090 Khanna, O.P. A text book of welding technology / O.P. Khanna. – rev. ed. – New Delhi : Dhanpat Rai , 2015 multi p. ISBN9789383182554 : Rs.310/- . Welding |
