Sealing silica gel ring for cup

The utility model discloses a sealing silica gel ring for a cup. The utility model relates to the technical field of cup sealing rings. The device comprises a device main body, friction lines are arranged at the upper end of the device main body, a built-in clamping groove is formed in the outer sid...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: ZHOU JIEFANG
Format: Patent
Sprache:chi ; eng
Schlagworte:
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