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Destructible core for undercut casting
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Patent number 5,310,159
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Issue date May 10, 1994
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Societe Nationale des Poudres et Explosifs
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Andre Hiss
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3850567
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Patent number 3,850,567
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Issue date Nov 26, 1974
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3714305
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Patent number 3,714,305
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Issue date Jan 30, 1973
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G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
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3567174
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Patent number 3,567,174
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Issue date Mar 2, 1971
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B22 - CASTING POWDER METALLURGY
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3524618
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Patent number 3,524,618
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Issue date Aug 18, 1970
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3520509
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Patent number 3,520,509
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Issue date Jul 14, 1970
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3470273
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Patent number 3,470,273
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Issue date Sep 30, 1969
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3465388
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Patent number 3,465,388
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Issue date Sep 9, 1969
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3451104
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Patent number 3,451,104
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Issue date Jun 24, 1969
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F42 - AMMUNITION BLASTING
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3421325
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Patent number 3,421,325
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Issue date Jan 14, 1969
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C06 - EXPLOSIVES MATCHES
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3418686
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Patent number 3,418,686
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Issue date Dec 31, 1968
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3405201
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Patent number 3,405,201
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Issue date Oct 8, 1968
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3357189
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Patent number 3,357,189
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Issue date Dec 12, 1967
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3351691
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Patent number 3,351,691
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Issue date Nov 7, 1967
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3345693
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Patent number 3,345,693
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Issue date Oct 10, 1967
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3345438
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Patent number 3,345,438
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Issue date Oct 3, 1967
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3324206
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Patent number 3,324,206
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Issue date Jun 6, 1967
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C06 - EXPLOSIVES MATCHES
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3311678
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Patent number 3,311,678
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Issue date Mar 28, 1967
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3270999
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Patent number 3,270,999
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Issue date Sep 6, 1966
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3267182
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Patent number 3,267,182
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Issue date Aug 16, 1966
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3263275
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Patent number 3,263,275
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Issue date Aug 2, 1966
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3261891
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Patent number 3,261,891
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Issue date Jul 19, 1966
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3261255
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Patent number 3,261,255
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Issue date Jul 19, 1966
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3250829
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Patent number 3,250,829
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Issue date May 10, 1966
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3237913
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Patent number 3,237,913
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Issue date Mar 1, 1966
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3196735
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Patent number 3,196,735
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Issue date Jul 27, 1965
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS