Bulletin board capable of preventing toppling and automatically cleaning

The invention relates to the technical field of office display equipment, and discloses an anti-toppling and automatic-cleaning bulletin board. The bulletin board comprises a supporting rod; fan blades are rotatably connected to the top end of the supporting rod, a rotating rod is fixedly connected...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	JI WENXIAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADVERTISING CLEANING CLEANING IN GENERAL CRYPTOGRAPHY DISPLAY DISPLAYING EDUCATION LABELS OR NAME-PLATES PERFORMING OPERATIONS PHYSICS PREVENTION OF FOULING IN GENERAL SEALS SIGNS TRANSPORTING
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