Guter Helling

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Odenthal, DE

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Patents Grantslast 30 patents

Information Patent Grant
Polyurea and polyurethane compounds containing a photographically u...
- Patent number 4,762,777
- Issue date Aug 9, 1988
- AGFA-Gevaert A.G.
- Guter Helling
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...