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110533
of
110536
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Full text is not available for this patent. Click on "Images" button above to view full patent.
United States Patent
1,334,855
Issue Date:
March 23, 1920
Current U.S. Class:
172/336
; 172/722
Current International Class:
A01B 35/00 (20060101); A01B 35/08 (20060101)
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