Sand supplementing and pressing device
The utility model discloses a sand supplementing and pressing device which comprises a sand supplementing mechanism, a sand pressing mechanism and a sliding mechanism, the sand supplementing mechanism comprises a shell, a rotating disc and a rotation driving device, the shell is provided with a firs...
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Hauptverfasser: | , , , , , , , , , , |
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Format: | Patent |
Sprache: | chi ; eng |
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