,申请号JP19870025361U-传众专利搜索

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发明名称
摘要
申请公布号	JPH0510080(Y2)	申请公布日期	1993.03.11
申请号	JP19870025361U	申请日期	1987.02.23
申请人		发明人
分类号	E21F1/04;(IPC1-7):E21F1/04	主分类号	E21F1/04
代理机构		代理人
主权项
地址

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