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Otto L. Heissenberger
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Pottenbrunn, AU
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last 30 patents
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Apparatus for regulating the breaking length ratio of a manufacture...
Patent number
6,536,443
Issue date
Mar 25, 2003
Voith Sulzer Papiertechnik Patent GmbH
Wolfgang Ruf
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE