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Metals and how to Weld Them

Theodore Brewster JeffersonJames F. Lincoln Arc Welding FoundationJefferson Jefferson (Theodore Brewster)Thomas Brewster JeffersonGorham Woods

出版	James E. Lincoln Arc Welding Foundation, 1962
URL	http://books.google.com.hk/books?id=zyvf0AEACAAJ&hl=&source=gbs_api