Power grid maintenance warning device

The utility model relates to a power grid maintenance warning device which comprises a bottom plate, the top of the bottom plate is fixedly provided with two sleeves, the interiors of the two sleeves are movably connected with supporting columns, one ends of the supporting columns penetrate through...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LING YONGBIAO, CHEN YANG, WANG SHUFEN, GAO HAIYANG, WANG JING, SUN XIAOYAN, MEI LIN, HUANG JIN, WAN SHANJING, BA HUIZHEN, SHI JUN, ZHAO LINA
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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