KHANNA O.P. A TEXTBOOK OF WELDING TECHNOLOGY 1ST ED Textual Documents - 01-01-2006 - DHANPAT RAI AND CO. (P) LTD., DELHI - XVI/947 21 X 14 10759 ISBN: PAPER BACK Subjects--Index Terms: ELE. OF MECHANICAL ENGINEERING Dewey Class. No.: 621.977 / KHA