,申请号DD19720160297-传众专利搜索

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发明名称
摘要
申请公布号	DD95504(A1)	申请公布日期	1973.02.12
申请号	DD19720160297	申请日期	1972.01.11
申请人		发明人
分类号	B23K9/12;(IPC1-7):B23K9/12	主分类号	B23K9/12
代理机构		代理人
主权项
地址

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