Joaquin Bohrdt

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Berlin, DT

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Patents Grantslast 30 patents

Information Patent Grant
Fluid actuator device for a high-voltage power circuit breaker
- Patent number 3,999,464
- Issue date Dec 28, 1976
- Siemens Aktiengesellschaft
- Gerhard Grieger
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fluid actuating device for an electric circuit breaker
- Patent number 3,969,985
- Issue date Jul 20, 1976
- Siemens Aktiengesellschaft
- Gerhard Grieger
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL