Assembling of metal covers to automobile springs on air-operated machine built by Hannifin Mfg Co, Chicago, at rate of one spring a minute.
Fastening metal covers on automobile springs
Machy (NY)
Machinery (New York) ; 39 , n 1
1932
2 pages
Article (Journal)
English
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Engineering Index Backfile | 1930
|Engineering Index Backfile | 1926
|Engineering Index Backfile | 1917
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