Wolfgang Bottger

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Duisburg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Electrodynamic transducer head
- Patent number 5,050,703
- Issue date Sep 24, 1991
- Mannesmann Aktiengesellschaft
- Alfred Graff
- G01 - MEASURING TESTING
Information Patent Grant
Method for non-destructive testing with guided waves
- Patent number 4,646,572
- Issue date Mar 3, 1987
- Mannesmann Aktiengesellschaft
- Wolfgang Bottger
- G01 - MEASURING TESTING
Information Patent Grant
Instrument for testing materials
- Patent number 4,578,999
- Issue date Apr 1, 1986
- Mannesmann AG
- Klaus Abend
- G01 - MEASURING TESTING