Tower number plate device convenient to monitor

A pole and tower number plate device convenient to monitor is arranged at the top end of a pole and tower and is characterized in that the back face of an obliquely-arranged pole and tower number plate is connected with a vertical inner hollow pipe, the inner hollow pipe is sleeved with an outer hol...

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Bibliographische Detailangaben
Hauptverfasser: WANG FEI, SHAO YUANPENG, XIE JIAYI, YIN LIWEI, ZHANG JIAYANG, YAO HONGCHUAN, ZHANG YUNQIANG, JIANG HUI, SUN HONGJIANG, SUN YANHE, NIU MINGKAI, LI YANG, LI TAISONG, YAN SHENGNAN, CHEN PENG, CHEN XIAOGUANG
Format: Patent
Sprache:chi ; eng
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