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1721442
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Information
Patent Grant
1721442
References
Source
Patent Number
1,721,442
Date Filed
Not available
Date Issued
Tuesday, July 16, 1929
95 years ago
CPC
C04B35/18 - rich in aluminium oxide
F25D23/06 - Walls
Y10S165/395 - Monolithic core having flow passages for two different fluids
Y10S264/44 - using destructible molds or cores in molding processes
Y10S425/012 - Destructible mold and core
US Classifications
165 - Heat exchange
264 - Plastic and nonmetallic article shaping or treating: processes
425 - Plastic article or earthenware shaping or treating: apparatus
501 - Compositions: ceramic
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