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3850755
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Patent number 3,850,755
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Issue date Nov 26, 1974
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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3707355
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Patent number 3,707,355
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Issue date Dec 26, 1972
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2667452
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Patent number 2,667,452
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Issue date Jan 26, 1954
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2615834
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Patent number 2,615,834
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Issue date Oct 28, 1952
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2240590
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Patent number 2,240,590
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Issue date May 6, 1941
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2039081
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Patent number 2,039,081
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Issue date Apr 28, 1936
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1598290
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Patent number 1,598,290
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Issue date Aug 31, 1926
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1564271
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Patent number 1,564,271
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Issue date Dec 8, 1925
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1536831
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Patent number 1,536,831
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Issue date May 5, 1925
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1422634
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Patent number 1,422,634
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Issue date Jul 11, 1922
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...