,申请号JP19890027038U-传众专利搜索

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发明名称
摘要
申请公布号	JPH02120503(U)	申请公布日期	1990.09.28
申请号	JP19890027038U	申请日期	1989.03.09
申请人		发明人
分类号	E01B31/18;(IPC1-7):E01B31/18	主分类号	E01B31/18
代理机构		代理人
主权项
地址

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