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Continuous celluloid twin screw extrusion process
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Issue date Jan 10, 2017
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General Dynamics Ordnance and Tactical Systems—Canada Valleyfield, Inc.
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Charles Dubois
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3445304
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Patent number 3,445,304
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Issue date May 20, 1969
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C06 - EXPLOSIVES MATCHES
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3006746
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Patent number 3,006,746
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Issue date Oct 31, 1961
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C06 - EXPLOSIVES MATCHES
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2989388
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Patent number 2,989,388
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Issue date Jun 20, 1961
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C06 - EXPLOSIVES MATCHES
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2711948
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Patent number 2,711,948
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Issue date Jun 28, 1955
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C06 - EXPLOSIVES MATCHES
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2096089
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Patent number 2,096,089
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Issue date Oct 19, 1937
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C06 - EXPLOSIVES MATCHES
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1875932
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Patent number 1,875,932
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Issue date Sep 6, 1932
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C06 - EXPLOSIVES MATCHES
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1819458
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Patent number 1,819,458
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Issue date Aug 18, 1931
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C06 - EXPLOSIVES MATCHES
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1341207
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Patent number 1,341,207
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Issue date May 25, 1920
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C06 - EXPLOSIVES MATCHES