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Helmut Berief
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Beckum, DE
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last 30 patents
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Patent Grant
Cooler and a method for cooling hot bulk material
Patent number
6,796,141
Issue date
Sep 28, 2004
Polysius AG
Gerhard Kästingschäfer
F27 - FURNACES KILNS OVENS RETORTS
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last 30 patents
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Patent Application
Cooler and a method for cooling hot bulk material
Publication number
20030126878
Publication date
Jul 10, 2003
Gerhard Kastingschafer
F27 - FURNACES KILNS OVENS RETORTS