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发明名称
A VALVE AND THE PUMPING DEVICE THEREOF
摘要
申请公布号
KR100626638(B1)
申请公布日期
2006.09.14
申请号
KR20050033565
申请日期
2005.04.22
申请人
Y&K TECH CO., LTD.
发明人
YOU, CHANG YOUL
分类号
E04G23/02
主分类号
E04G23/02
代理机构
代理人
主权项
地址
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