,申请号DE19712109354-传众专利搜索

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发明名称
摘要
申请公布号	DE2109354(A1)	申请公布日期	1972.09.07
申请号	DE19712109354	申请日期	1971.02.27
申请人		发明人
分类号	E21D11/10;E21D11/15;E21D11/20;(IPC1-7):E01G5/02	主分类号	E21D11/10
代理机构		代理人
主权项
地址

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