Gunther Seiffert

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Olsberg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Thermostatically actuated valve
- Patent number 4,611,629
- Issue date Sep 16, 1986
- F.W. Oventrop Arn. Aohn KG
- Gunther Seiffert
- G05 - CONTROLLING REGULATING