Drilling cutting collecting device and drilling machine assembly

The drilling machine assembly comprises a drill rod and a collecting device, the collecting device comprises a collecting part and a containing cavity, the inlet end of the collecting part abuts against the outer wall of a drill hole formed by the drill rod, the outlet end of the collecting part com...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: CAO MINYUAN, LIU MING
Format: Patent
Sprache:chi ; eng
Schlagworte:
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