Knut-Olof Jonsson

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Nacka, SE

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Patents Grantslast 30 patents

Information Patent Grant
Private branch exchange, telecommunication system and methods of tr...
- Patent number 6,044,082
- Issue date Mar 28, 2000
- Telefonaktiebolaget LM Ericsson
- Tommy Nyg.ang.rd
- H04 - ELECTRIC COMMUNICATION TECHNIQUE