Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Individual filed Critical Individual Priority to CN201922350597.3U priority Critical patent/CN211646517U/en Application granted granted Critical Publication of CN211646517U publication Critical patent/CN211646517U/en Status Active legal-status Critical Current Anticipated expiration legal-status Critical Links Original Assignee Individual Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Inventor 杜浩亮 郭世怡 常晓壮 李倩 崔鹏 刘红 李媛 金翠敏 贾立平 Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Active Application number CN201922350597.3U Other languages Chinese ( zh)
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