Improving the safety on-board of large vehicles for many passengers

The invention relates to a system for improving the safety on-board of large vehicles for many passengers comprising traceable devices (10) for carrying by persons (12) on-board of a vehicle (28), a tracing system (14, 16) for detecting traceable devices on the vehicle and for providing tracing info...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: SCHÄFER, CHRISTOF DR
Format: Patent
Sprache:eng ; fre ; ger
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