Roger Thouvenot

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Ligny-en-Barrois, FR

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Patents Grantslast 30 patents

Information Patent Grant
Solutions based on polyvinyl chloride, the process for their prepar...
- Patent number 4,529,768
- Issue date Jul 16, 1985
- Rhovyl
- Georges Achard
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING