,申请号HU1970MA02118-传众专利搜索

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发明名称
摘要
申请公布号	HU165389(B)	申请公布日期	1974.08.28
申请号	HU1970MA02118	申请日期	1970.07.02
申请人		发明人
分类号	B21D19/02;B21J5/08;B21J9/02;B21J9/18;B21J13/02;B30B15/06;(IPC1-7):B21J9/00	主分类号	B21D19/02
代理机构		代理人
主权项
地址

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