Per J. Ohlsson

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Nynashamn, SE

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for sensing and maintaining oscillations in an...
- Patent number 4,257,010
- Issue date Mar 17, 1981
- Rederiaktiebolaget Nordstjernan
- Sven A. Bergman
- G08 - SIGNALLING