00330nam a2200121Ia 4500008004100000041000800041082001700049100001700066245003300083250000800116260005700124650002700181230711s9999||||xx |||||||||||||| ||und||  aENG  a671.52bGI-W  aGiachino,J.W 0aWelding skills and practices  a1st  c1980aBritainbD. B. Taraporevala Sons & Co. Pvt.Ltd  aMechanical Engineering