,申请号JP19990345327-传众专利搜索

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发明名称
摘要
申请公布号	JP3513698(B2)	申请公布日期	2004.03.31
申请号	JP19990345327	申请日期	1999.12.03
申请人		发明人
分类号	E21B10/16;E21B10/44;(IPC1-7):E21B10/16	主分类号	E21B10/16
代理机构		代理人
主权项
地址

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