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2275080
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Information
Patent Grant
2275080
References
Source
Patent Number
2,275,080
Date Filed
Not available
Date Issued
Tuesday, March 3, 1942
83 years ago
CPC
B28B21/80 - adapted to centrifugal or rotational moulding
E21B17/00 - Drilling rods or pipes Flexible drill strings Kellies Drill collars Sucker rods; Cables Casings Tubings
E21B43/086 - Screens with preformed openings
US Classifications
425 - Plastic article or earthenware shaping or treating: apparatus
166 - Wells
249 - Static molds
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