Construction is with tight step by step

The utility model discloses a construction is with tight step by step, including main kelly, raker and movable clamping rod, raker fixed mounting is at the top of main kelly to be the vertical fixation welding with main kelly, the top of raker is provided with the seben, be provided with the install...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GAO YAN, TENG YAOHUA, CHEN XINSHUAI, WANG RENFEI, LI YOUJUN
Format: Patent
Sprache:chi ; eng
Schlagworte:
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