Gives examples of patents which have been issued in other countries on alloys closely resembling the German duralumin in every way. Translated from Zeit. fur Metallkunde, 1925, p. 64.
Alloys similar to duralumin made in other countries than Germany
U. S. Nat. Advisory Comm. Aeronautics -- Tech. Memorandums
1925
7 pages
Report
Englisch
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