,申请号JP19910113158-传众专利搜索

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发明名称
摘要
申请公布号	JP2820811(B2)	申请公布日期	1998.11.05
申请号	JP19910113158	申请日期	1991.05.17
申请人		发明人
分类号	E21D11/14;E21D11/04;(IPC1-7):E21D11/14	主分类号	E21D11/14
代理机构		代理人
主权项
地址

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