Principles and practices in training system of North American Aviation, Inc; intensive streamlined courses suggested.
Training welders in wartime
Welding Engr
Welding Engineer ; 27 , n 9
1942
2 pages
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1934
|Engineering Index Backfile | 1929
|Engineering Index Backfile | 1942
|Engineering Index Backfile | 1929
|Engineering Index Backfile | 1943
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