Khanna, O P .
The text book of welding technology - New Delhi : Dhanpat Rai Publishing Co. Pvt. Ltd. , 1983. 2011 - 748 ; . 946
9788189928360
671.52 / KHA/TE
The text book of welding technology - New Delhi : Dhanpat Rai Publishing Co. Pvt. Ltd. , 1983. 2011 - 748 ; . 946
9788189928360
671.52 / KHA/TE