Bottle cap and bottle facilitating drinking

The invention provides a bottle cap facilitating drinking. The bottle cap comprises an upper cover body and a lower cover body, wherein an inner cylindrical barrel and an outer cylindrical barrel arearranged in the lower cover body, the outer cylindrical barrel is detachably connected with a bottle...

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Bibliographische Detailangaben
1. Verfasser: DING JINXING
Format: Patent
Sprache:chi ; eng
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