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Title:
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United States Patent 1568508


Inventors:
Elmer, Johnson
Application Number:
US56415222A
Publication Date:
01/05/1926
Filing Date:
05/27/1922
Export Citation:
Click for automatic bibliography generation
Assignee:
Elmer, Johnson
Primary Class:
200/337
Other Classes:
200/518, 200/552
International Classes:
H01H13/14
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