Waelchli Urs

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Heiligkreuz, CH

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Patents Grantslast 30 patents

Information Patent Grant
Process and apparatus for measuring charge quantity flowing in a va...
- Patent number 5,644,220
- Issue date Jul 1, 1997
- Balzers Aktiengesellschaft
- Waelchli Urs
- G01 - MEASURING TESTING