Roland Sigwalt

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Obenheim-Benfeld, FR

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Patents Grantslast 30 patents

Information Patent Grant
Tape cassette, in particular a magnetic tape cassette, and a reel s...
- Patent number 4,632,334
- Issue date Dec 30, 1986
- BASF Aktiengesellschaft
- Norbert Schaeffer
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...