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Olle Kjell-Berger
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Valdemarsvik, SE
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last 30 patents
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Patent Grant
Coke briquettes
Patent number
4,661,119
Issue date
Apr 28, 1987
Rockwool Aktiebolaget
D. Bertil Andersson
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...