Small tooth block bridge expansion device convenient to install and position

The utility model discloses a small tooth block bridge expansion device convenient to install and position, which comprises small tooth blocks, the small tooth blocks are dispersed and independent rectangular tooth blocks, gaps are reserved between the rectangular tooth blocks, the end parts of the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: XIONG LIANG, LI JIANLUAN, YIN LIANG, YANG XIAOGUANG, YIN TAO, XIE YUMENG, LIAN JUNFENG, CI WEIZHU, YANG DAHAI, WU ZHIGANG, GUI YONGQUAN
Format: Patent
Sprache:chi ; eng
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