PREMA Pr azisionselektronik GmbH

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Mainz, DE

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Patents Grantslast 30 patents

Information Patent Grant
Procedure for the manufacture of bipolar transistors without epitax...
- Patent number 5,571,731
- Issue date Nov 5, 1996
- PREMA Pr azisionselektronik GmbH
- Hartmut Gr utzediek
- H01 - BASIC ELECTRIC ELEMENTS