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Jorg-Henry Schwabe
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Weimar, DE
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last 30 patents
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Patent Grant
Method and apparatus for the production of tubes from concrete mix
Patent number
6,984,118
Issue date
Jan 10, 2006
Institut fur Fertigteiltechnik UND
Helmut Kuch
B28 - WORKING CEMENT, CLAY, OR STONE
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last 30 patents
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Patent Application
Method and apparatus for the production of tubes from concrete mix
Publication number
20030085490
Publication date
May 8, 2003
Institut fur Fertigteiltechnik und Fertigbau Weimar e.V.
Helmut Kuch
B28 - WORKING CEMENT, CLAY, OR STONE