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2207146
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Information
Patent Grant
2207146
References
Source
Patent Number
2,207,146
Date Filed
Not available
Date Issued
Tuesday, July 9, 1940
84 years ago
CPC
F16L51/029 - consisting of flexible rings
Y10T29/49877 - of flexible wall, expansible chamber devices [e.g., bellows]
US Classifications
285 - Pipe joints or couplings
029 - Metal working
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