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United States Patent
2,883,885
Issue Date:
April 28, 1959
Current U.S. Class:
475/346
; 464/178; 475/348; 475/331
Current CPC Class:
F16H 1/48 (20130101); F01D 25/16 (20130101)
Current International Class:
F01D 25/16 (20060101); F16H 1/28 (20060101); F16H 1/48 (20060101)
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