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3364996
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Information
Patent Grant
3364996
References
Source
Patent Number
3,364,996
Date Filed
Not available
Date Issued
Tuesday, January 23, 1968
56 years ago
CPC
E21B33/14 - for cementing casings into boreholes
E21B33/05 - Cementing-heads
E21B33/16 - using plugs for isolating cement charge Plugs therefor
E21D5/012 - Use of fluid-tight or anti-friction material on outside of, or between, lining layers
US Classifications
166 - Wells
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