Abrasion drill with adjustable angle
The invention discloses an angle-adjustable abrasive drill, and relates to the field of abrasive drills. The device comprises a driving shaft, one end of the driving shaft is rotatably provided with a grinding head, the driving shaft is sleeved with a traction shaft sleeve, the outer side face of th...
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Format: | Patent |
Sprache: | chi ; eng |
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