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3762890
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Patent number 3,762,890
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Issue date Oct 2, 1973
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C07 - ORGANIC CHEMISTRY
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2449404
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Patent number 2,449,404
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Issue date Sep 14, 1948
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1914727
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Patent number 1,914,727
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Issue date Jun 20, 1933
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1912396
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Patent number 1,912,396
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Issue date Jun 6, 1933
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1912394
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Patent number 1,912,394
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Issue date Jun 6, 1933
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1912395
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Patent number 1,912,395
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Issue date Jun 6, 1933
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1904161
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Patent number 1,904,161
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Issue date Apr 18, 1933
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1849198
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Patent number 1,849,198
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Issue date Mar 15, 1932
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1849199
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Patent number 1,849,199
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Issue date Mar 15, 1932
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1849197
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Patent number 1,849,197
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Issue date Mar 15, 1932
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1826431
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Patent number 1,826,431
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Issue date Oct 6, 1931
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1450026
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Patent number 1,450,026
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Issue date Mar 27, 1923
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...