Driller operation seat lifting and rotating device

The invention discloses a driller operation seat lifting and rotating device. The driller operation seat lifting and rotating device is characterized in that a turntable bearing outer ring is fixedly arranged on the upper surface of a bottom plate of the lifting and rotating device, a membrane type...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SUN JIANGFENG, TIAN LEI, ZHANG WENYING, CAO XIAOYU, LUAN SU, JIANG HEYAN
Format: Patent
Sprache:chi ; eng
Schlagworte:
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