,申请号DE19712117961-传众专利搜索

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发明名称
摘要
申请公布号	DE2117961(A1)	申请公布日期	1971.11.18
申请号	DE19712117961	申请日期	1971.04.14
申请人		发明人
分类号	B22D13/06;B22D23/10;C22B9/18;C22C38/36;(IPC1-7):B22D27/02	主分类号	B22D13/06
代理机构		代理人
主权项
地址

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