Siegfried Schoenwald

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Bad Neustadt/Herschfeld, DE

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Patents Grantslast 30 patents

Information Patent Grant
Valve for the controlling of a pressure differential
- Patent number 4,836,241
- Issue date Jun 6, 1989
- Siemens Aktiengesellschaft
- Siegfried Schoenwald
- G05 - CONTROLLING REGULATING