Preh Elektrofeinmechanische Werke

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Bad Neustadt, Saale, DT

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Patents Grantslast 30 patents

Information Patent Grant
Keyboard switch assembly having multilayer printed circuit structure
- Patent number 3,996,430
- Issue date Dec 7, 1976
- Preh Elektrofeinmechanische Werke
- Helmut Eberwein
- H01 - BASIC ELECTRIC ELEMENTS