Puncture structure for pesticide filling of sprayer

The utility model relates to the technical field of sprayers, in particular to a puncturing structure for pesticide filling of a sprayer, which comprises an annular shell, the upper end of the annular shell is open, and a circular groove is formed in the middle of the lower end face of the annular s...

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Bibliographische Detailangaben
1. Verfasser: LUO YINGHUI
Format: Patent
Sprache:chi ; eng
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