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Juha Sorvari
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Kotka, FI
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last 30 patents
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Patent Grant
Production method for multilayer filter material and multilayer fil...
Patent number
6,355,079
Issue date
Mar 12, 2002
BKI Holding Corporation
Juha Sorvari
B32 - LAYERED PRODUCTS
Patents Applications
last 30 patents
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Patent Application
Filter Sheet Media and Method for Manufacturing a Filter Sheet Media
Publication number
20230381698
Publication date
Nov 30, 2023
Ahlstrom Oyj
Harri Niemelä
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL