Building construction safety early warning device

The invention discloses a building construction safety early warning device which comprises a base, supporting rods are symmetrically and detachably connected to the top of the base, transparent cover plates are detachably connected between the two supporting rods, the number of the transparent cove...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	JIA MENGFEI, LIANG HAOSHEN, NI LIKUN, FENG NING, LIU XIAO, ZHANG CHAO, JIE CHAOYANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTIONOF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, ORTHE LIKE ADVERTISING CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES CRYPTOGRAPHY DISPLAY DISPLAYING EDUCATION FIXED CONSTRUCTIONS LABELS OR NAME-PLATES PHYSICS SEALS SIGNS
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