00711pam a2200241 a 4500 2422514 NUST - PNEC 20170116181129.0 870805s1988 nyua 001 0 eng 87022981 047181671X LIBRARY TS227 .K59 1988 671.5/042 KOE 19 Koellhoffer, Leonard. Welding processes and practices / Leonard Koellhoffer, August F. Manz, Eugene G. Hornberger. New York : Wiley, c1988. xi, 482 p. : ill. ; 29 cm. Includes index. Welding. ME, IME 7 cbc orignew 1 ocip 19 y-gencatlg ddc BK 69898 69898 0 0 ddc 0 0 PNEC PNEC WING-B 0000-00-00 0 671.5/042 KOE PNECLIB-011830 2015-10-06 0000-00-00 BK