Felten & Guilleaume Enrgietechnik Aktiengesellschaft

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Cologne, DE

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Electro-optical overhead wire with at least 24 light wave guides
- Patent number 5,222,173
- Issue date Jun 22, 1993
- Felten & Guilleaume Enrgietechnik Aktiengesellschaft
- Joachim Bausch
- G02 - OPTICS

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