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发明名称	球阀
摘要
申请公布号	CN3232683D	申请公布日期	2002.04.17
申请号	CN01345035.2	申请日期	2001.10.10
申请人	余登伟	发明人	余登伟
分类号	23-01	主分类号	23-01
代理机构		代理人
主权项
地址	317600浙江省玉环县城关城中路97号B402室

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