,申请号JP19670028807U-传众专利搜索

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发明名称
摘要
申请公布号	JPS4414680(Y1)	申请公布日期	1969.06.23
申请号	JP19670028807U	申请日期	1967.04.06
申请人		发明人
分类号	B21F31/00;B21F27/00;B23K9/12;B23K11/14;E04C5/18;(IPC1-7):E04C5/18	主分类号	B21F31/00
代理机构		代理人
主权项
地址

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