Novel coffee cup

The invention discloses a novel coffee cup which comprises a cup body (1), wherein the cup body (1) is made of ceramic. The cup also comprises a stainless steel ball (2), an annular slide rail (3) and an annular magnet (4), wherein the cup body (1) has a dual-layer structure; a vacuum chamber is for...

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Bibliographische Detailangaben
1. Verfasser: LAI SHUNYU
Format: Patent
Sprache:chi ; eng
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