Dieter Oettinghaus

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Hohenlimburg, DT

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Patents Grantslast 30 patents

Information Patent Grant
Magnetizing and demagnetizing electrical circuit
- Patent number 3,969,657
- Issue date Jul 13, 1976
- Deutsche Edelstahlwerke Aktiengesellschaft
- Dieter Oettinghaus
- H01 - BASIC ELECTRIC ELEMENTS