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3578422
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Patent number 3,578,422
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Issue date May 11, 1971
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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3449096
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Patent number 3,449,096
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Issue date Jun 10, 1969
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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3325260
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Patent number 3,325,260
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Issue date Jun 13, 1967
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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3227533
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Patent number 3,227,533
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Issue date Jan 4, 1966
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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3036903
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Patent number 3,036,903
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Issue date May 29, 1962
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2978472
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Patent number 2,978,472
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Issue date Apr 4, 1961
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2776309
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Patent number 2,776,309
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Issue date Jan 1, 1957
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C07 - ORGANIC CHEMISTRY
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2723988
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Patent number 2,723,988
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Issue date Nov 15, 1955
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2214749
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Patent number 2,214,749
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Issue date Sep 17, 1940
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2110078
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Patent number 2,110,078
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Issue date Mar 1, 1938
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...