Processes and their many applications. (5000 w.) (74450 A)
Electric welding in railroad shops
Ry Mech Engr
1916
Ills.
Aufsatz (Zeitschrift)
Englisch
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Electric arc welding in railroad shops
Engineering Index Backfile | 1917
|Electric arc welding in railroad shops
Engineering Index Backfile | 1921
|Engineering Index Backfile | 1930
|Electric arc welding in steam railroad shops
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|Railroad shops save by welding
Engineering Index Backfile | 1930
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