Lars E. Hammerberg

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Handen, SE

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Patents Grantslast 30 patents

Information Patent Grant
Voltage controlled transient protection unit
- Patent number 4,456,940
- Issue date Jun 26, 1984
- Telefonaktiebolaget L M Ericsson
- Lars E. Hammerberg
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER