Friedemann Voelklein

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Jena, DE

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Patents Grantslast 30 patents

Information Patent Grant
Microvacuum sensor having an expanded sensitivity range
- Patent number 5,597,957
- Issue date Jan 28, 1997
- Heimann Optoelectronics GmbH
- Joerg Schieferdecker
- G01 - MEASURING TESTING