,申请号JP19790021439U-传众专利搜索

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发明名称
摘要
申请公布号	JPS5849147(Y2)	申请公布日期	1983.11.10
申请号	JP19790021439U	申请日期	1979.02.20
申请人		发明人
分类号	B21C37/20;B21H3/00;B21H8/00;(IPC1-7):B21H3/00	主分类号	B21C37/20
代理机构		代理人
主权项
地址

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