Johny W. Van Der Velden

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Heerlen, NL

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Patents Grantslast 30 patents

Information Patent Grant
X-ray intensifier tube comprising a separating layer between the lu...
- Patent number 4,831,249
- Issue date May 16, 1989
- U.S. Philips Corporation
- Johny W. Van Der Velden
- H01 - BASIC ELECTRIC ELEMENTS