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United States Patent
1,349,868
Issue Date:
August 17, 1920
Current U.S. Class:
52/381
; 52/649.1; 52/693
Current International Class:
B63B 3/00 (20060101); B63B 3/26 (20060101); B63B 3/20 (20060101); B63B 5/00 (20060101); B63B 5/16 (20060101)
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