Power actuator
United States Patent 1940980

Inventors:
Sven, Svenson
Publication Date:
12/26/1933
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Assignee:
Sven, Svenson
Primary Class:
227/5
Other Classes:
200/52R, 83/372, 227/131, 310/12, 200/DIG.021
International Classes:
B27F7/19; B27F7/00