Guenter Tiefel

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Fuerth, DE

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Patents Grantslast 30 patents

Information Patent Grant
Silver and metal oxides electrical contact material and method for...
- Patent number 4,565,590
- Issue date Jan 21, 1986
- Siemens Aktiengesellschaft
- Joachim Grosse
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...