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Risto Kekki
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Kantvik, FI
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Patents Grants
last 30 patents
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Patent Grant
Method for manufacturing paper and board
Patent number
8,491,755
Issue date
Jul 23, 2013
M-real Oyj
Petri Silenius
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
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Patent Application
Method for manufacturing paper and board
Publication number
20060060318
Publication date
Mar 23, 2006
Petri Silenius
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Patent Application
Method for manufacturing filler container chemical pulp
Publication number
20040244930
Publication date
Dec 9, 2004
Petri Silenius
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE