Vacuum cupping device
The utility model discloses a vacuum cupping device. A one-way valve is connected with a cup body, and thus the utility model is formed. The one-way valve uses a ball-shaped valve structure so that the utility model has the advantages of sensitive operation, no gas leakage and long service life.
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The utility model discloses a vacuum cupping device. A one-way valve is connected with a cup body, and thus the utility model is formed. The one-way valve uses a ball-shaped valve structure so that the utility model has the advantages of sensitive operation, no gas leakage and long service life. |
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