,申请号JP19890047052U-传众专利搜索

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发明名称
摘要
申请公布号	JPH0732621(Y2)	申请公布日期	1995.07.26
申请号	JP19890047052U	申请日期	1989.04.21
申请人		发明人
分类号	E02F3/32;E21B7/00;E21B7/02;G01L5/00;G08B21/00;(IPC1-7):E21B7/02	主分类号	E02F3/32
代理机构		代理人
主权项
地址

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