Gerharda M. Van Der Valk

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Method for coating the bulb wall of a low-pressure mercury vapor di...
- Patent number 5,281,448
- Issue date Jan 25, 1994
- U.S. Philips Corporation
- Franciscus W. Altena
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...