Membership
Tour
Register
Log in
Juha Makivaara
Follow
Person
Tampere, FI
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Refining element
Patent number
5,704,559
Issue date
Jan 6, 1998
Sunds Defibrator Industries AB
Per Froberg
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE