Manfred Raubach

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Olching, DE

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Patents Grantslast 30 patents

Information Patent Grant
Co-oscillating, volume-changing resonator in the form of a silencer
- Patent number 4,683,979
- Issue date Aug 4, 1987
- Metzeler Kautschuk GmbH
- Michael Ghibu
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Co-oscillating, volume-changing resonator in the form of a silencer
- Patent number 4,570,748
- Issue date Feb 18, 1986
- Metzeler Kautschuk GmbH
- Michael Ghibu
- G10 - MUSICAL INSTRUMENTS ACOUSTICS