Lars I. Broger

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Nynashamn, SE

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Patents Grantslast 30 patents

Information Patent Grant
Multi-party telephone system allowing speech connection between ext...
- Patent number 4,174,466
- Issue date Nov 13, 1979
- Telefonaktiebolaget L M Ericsson
- Lars I. Broger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE