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Apparatus for preventing slag tap blockage
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Patent number 4,979,964
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Issue date Dec 25, 1990
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Shell Oil Company
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Charles V. Sternling
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Coal gasification process
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Patent number 4,963,162
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Issue date Oct 16, 1990
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Shell Oil Company
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Charles V. Sternling
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Slag water bath process
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Patent number 4,852,997
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Issue date Aug 1, 1989
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Shell Oil Company
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Clifford C. Segerstrom
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Coal gasification burner
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Patent number 4,775,314
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Issue date Oct 4, 1988
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Shell Oil Company
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Charles V. Sternling
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...