Karl H. Grotloh

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Winterthur, CH

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Patents Grantslast 30 patents

Information Patent Grant
Pressure medium actuated valve
- Patent number 4,552,330
- Issue date Nov 12, 1985
- Sulzer Brothers Limited
- Karl H. Grotloh
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES