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2423507
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Information
Patent Grant
2423507
References
Source
Patent Number
2,423,507
Date Filed
Not available
Date Issued
Tuesday, July 8, 1947
77 years ago
CPC
F04C2/3442 - the surfaces of the inner and outer member, forming the working space, being surfaces of revolution
F04C2/336 - and hinged to the inner member
US Classifications
418 - Rotary expansible chamber devices
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