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Dry acetylene generator
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Patent number 4,451,268
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Issue date May 29, 1984
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John A. Lerch
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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638459
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Patent number 638,459
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Issue date Dec 5, 1899
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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621230
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Patent number 621,230
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Issue date Mar 14, 1899
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...