,申请号JP20000615483-传众专利搜索

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发明名称
摘要
申请公布号	JP3450302(B2)	申请公布日期	2003.09.22
申请号	JP20000615483	申请日期	2000.05.02
申请人		发明人
分类号	E21B19/16;(IPC1-7):E21B19/16	主分类号	E21B19/16
代理机构		代理人
主权项
地址

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