Acid-base cup

The invention discloses an acid-base cup, and relates to the technical field of cups, the acid-base cup comprises a hollow cup body, the top of the outer side of the hollow cup body is provided with a cup cover, and the bottom of the outer side of the hollow cup body is fixedly connected with a prot...

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Bibliographische Detailangaben
1. Verfasser: ZENG ZHUOHUA
Format: Patent
Sprache:chi ; eng
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