Ship fire escape guiding device

The utility model provides a ship fire escape guiding device which comprises two indication boards, the two indication boards are rotationally connected through a rotating seat, the opposite ends of the two indication boards are provided with mounting seats, the indication boards are rotationally co...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: CHEN QIANRONG
Format: Patent
Sprache:chi ; eng
Schlagworte:
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