00438nam a2200157 a 4500008004100000020001500041050001500056100002600071245005700097250001300154260004800167300002300215350000900238650002100247650001200268120416s1992 ||||||||||||||||| || u a052143565X aTS 227 Dav aDavies, Arthur Cyrill14aThe science and practice of welding, vols. 1 [and] 2 a10th ed. aCambridgebCambridge University Pressc1992 axiii, 347p. : ill. a0.00 7aTECHNOLOGY2fast aWELDING