Progress in training welders and need for standardized methods of testing and qualifying welders for specific tasks. Report of Oxyacetylene Committee before Int. Acetylene Assn.
Training welders
Acetylene Jl.
Acetylene Journal ; 31 , n 7
1930
2 pages
Article (Journal)
English
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Engineering Index Backfile | 1934
|Engineering Index Backfile | 1929
Engineering Index Backfile | 1934
|Engineering Index Backfile | 1929
|Engineering Index Backfile | 1943
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