Rauno Rantanen

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Imatra, FI

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Patents Grantslast 30 patents

Information Patent Grant
Procedure and means for creating an electron curtain with adjustabl...
- Patent number 4,543,487
- Issue date Sep 24, 1985
- Enso-Gutzeit OY
- Pertti Puumalainen
- H01 - BASIC ELECTRIC ELEMENTS