Superposable straw cover

The invention provides a superposable straw cover. Three superposing caps are arranged on the outer side of the periphery of the straw cover, are hollow and conical and are respectively arranged at trisection positions of the outer periphery of the straw cover. When the superposable straw cover is u...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: CHEN XIANGHUAN
Format: Patent
Sprache:eng
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