Jacob W. de Ruiter

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing solid glass preforms from hollow preforms
- Patent number 4,746,345
- Issue date May 24, 1988
- U.S. Philips Corp.
- Rene A. M. Pluijms
- C03 - GLASS MINERAL OR SLAG WOOL