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2480818
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Information
Patent Grant
2480818
References
Source
Patent Number
2,480,818
Date Filed
Not available
Date Issued
Tuesday, August 30, 1949
75 years ago
CPC
F01C20/16 - using lift valves
F01C1/16 - with helical teeth
F01C20/14 - using rotating valves
US Classifications
418 - Rotary expansible chamber devices
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