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Quick acting positive contact switch
United States Patent 2262777
Inventors:
Roper, John M.
Publication Date:
11/18/1941
View Patent Images:
Download PDF 2262777
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Assignee:
Roper, John M.
Primary Class:
200/406
Other Classes:
968/447
International Classes:
G04C3/00
;
H01H13/48
;
H01H13/26