Sethi, G. S. Welder : trade theory with assignment/Test - Solved ; sector: fabrication / - 4th ed. - New Delhi : Asian Publishers, 2016 - Various pagination : ill. ; 28 cm. ISBN: 9788173177576 Rs. 238.50 Subjects--Topical Terms: Welding--TextbooksWelding--Equipment and supplies Dewey Class. No.: 671.52 / Se75