Drilling device for bottom plate of excavator

The drilling device for the bottom plate of the excavator comprises a base, a workbench is fixedly installed on the top of the base, machining mechanisms are arranged on the portions, located on the left side and the right side of the workbench, of the top of the base, an installation groove is form...

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Bibliographische Detailangaben
1. Verfasser: LI HAIQUN
Format: Patent
Sprache:chi ; eng
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