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United States Patent
3,532,100
Issue Date:
October 6, 1970
Current U.S. Class:
137/15.1
; 415/119; 60/794; 181/214
Current CPC Class:
F02C 7/042 (20130101); F02C 7/045 (20130101); Y10T 137/0536 (20150401)
Current International Class:
F02C 7/04 (20060101); F02C 7/042 (20060101); F02C 7/045 (20060101)
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