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3701549
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Information
Patent Grant
3701549
References
Source
Patent Number
3,701,549
Date Filed
Not available
Date Issued
Tuesday, October 31, 1972
51 years ago
CPC
F16L39/00 - Joints or fittings for double-walled or multi-channel pipes or pipe assemblies
E21B33/038 - Connectors used on well heads
F16L17/067 - Plastics sealing rings
F16L37/002 - which can be controlled at a distance
F16L37/56 - for double-walled or multi-channel pipes or pipe assemblies
Y10S285/917 - Metallic seals
US Classifications
285 - Pipe joints or couplings
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