Yrjo Schildt

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Karlstad, SE

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Patents Grantslast 30 patents

Information Patent Grant
Pressurized peroxide bleaching vessel having a rotatable scraper ar...
- Patent number 6,096,170
- Issue date Aug 1, 2000
- Kvaerner Pulping aktiebolag
- Hans Olsson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE