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Svanholm Engineering AB
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Orebro, SE
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Patents Grants
last 30 patents
Information
Patent Grant
Process and plant for manufacture of aerated concrete
Patent number
4,902,211
Issue date
Feb 20, 1990
Svanholm Engineering AB
Gote Svanholm
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Process for the manufacture of aerated concrete products
Patent number
4,613,472
Issue date
Sep 23, 1986
Svanholm Engineering AB
Gote Svanholm
B28 - WORKING CEMENT, CLAY, OR STONE