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Process for the production of needle coke
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Patent number 7,604,731
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Issue date Oct 20, 2009
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Indian Oil Corporation Limited
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Debasis Bhattacharyya
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Antioxidant composition for motor gasoline
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Patent number 7,470,292
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Issue date Dec 30, 2008
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Indian Oil Corporation Limited
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Anurag Ateet Gupta
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Catalytic converter
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Patent number 6,193,935
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Issue date Feb 27, 2001
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Muthan Subramanian
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES