00373nam a22001217a 4500082003000000100001600030245005900046260003600105300002800141526003700169526003700206650000800243  a623.8432bSPEcL-24, P-26  aGovt of U.S  aSpecifications for welding Part-I GeneralcGovt of U.S  aUSAbGovt printing officec1940  avi, 64 p.bill.c20 cm.  a0b0c0d623_843200000000000_SPE  a0b0c0d623_843200000000000_SPE  aMCE