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United States Patent 1679573

Inventors:
Hind, William M.
Publication Date:
08/07/1928
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Assignee:
Hind, William M.
Primary Class:
242/608.200
Other Classes:
242/580, 242/613.400, 242/604
International Classes:
B65H75/14; B65H75/22; B65H75/04; B65H75/18