,申请号JP19860169980-传众专利搜索

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发明名称
摘要
申请公布号	JPH045118(B2)	申请公布日期	1992.01.30
申请号	JP19860169980	申请日期	1986.07.18
申请人		发明人
分类号	E21B12/06	主分类号	E21B12/06
代理机构		代理人
主权项
地址

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