Torvald Sandberg

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Lulea, SE

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Patents Grantslast 30 patents

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Device for phase compensation and excitation of an asynchronous mac...
- Patent number 4,341,989
- Issue date Jul 27, 1982
- Elmekano i Lulea AB
- Torvald Sandberg
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER