,申请号JP19890003076-传众专利搜索

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发明名称
摘要
申请公布号	JPH071000(B2)	申请公布日期	1995.01.11
申请号	JP19890003076	申请日期	1989.01.10
申请人		发明人
分类号	E02D19/20;B09B1/00;E21F16/00;E21F17/16;(IPC1-7):E21F16/00	主分类号	E02D19/20
代理机构		代理人
主权项
地址

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