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Voith Sulzer Technology North America, Inc
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Appleton, WI, US
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Patent Grant
Ultrasonic device for deflocculating fiber suspension in a paper-ma...
Patent number
5,863,387
Issue date
Jan 26, 1999
Voith Sulzer Technology North America, Inc
Edwin X. Graf
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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