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Lars-Gosta von Dahn
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Hjalteby, SE
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Patent Grant
Method for the mechanical working of cast iron and an aqueous conce...
Patent number
4,564,461
Issue date
Jan 14, 1986
Berol Kemi AB
Rolf O. Skold
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...