Title:
FRICTION FEED DEVICE
United States Patent 3503603
Inventors:
Dvorak, Thomas
Publication Date:
03/31/1970
Export Citation:
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Assignee:
SPERRY RAND CORP
Primary Class:
271/23
International Classes:
G06K13/103; G06K13/02; (IPC1-7): B65H3/30
View Patent Images:
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Foreign References:
GB932551A




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