,申请号LUD63709-传众专利搜索

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发明名称
摘要
申请公布号	LU63709(A1)	申请公布日期	1971.12.21
申请号	LUD63709	申请日期	1971.08.12
申请人		发明人
分类号	B21D53/24;B21K1/70;F16B39/284	主分类号	B21D53/24
代理机构		代理人
主权项
地址

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