J. Johan Lindberg

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Vantaa, FI

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing polyurethane coatings from a neutral substance...
- Patent number 4,239,667
- Issue date Dec 16, 1980
- Oy Kaukas AB
- Vaino Era
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...