Underground pipeline detection safety warning board

The utility model discloses an underground pipeline detection safety warning board which comprises a protection box, a lifting rotary mechanism is arranged in the protection box, a hole groove is formed in the top of the protection box, a square safety warning board is arranged on the top of the lif...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	FU XIANG, LUO MUFENG, CHEN ZHENYU, LI JINGZHI, PENG FANGXING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTIONOF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, ORTHE LIKE CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES FIXED CONSTRUCTIONS
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