,申请号JP19840032575U-传众专利搜索

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发明名称
摘要
申请公布号	JPS646996(Y2)	申请公布日期	1989.02.23
申请号	JP19840032575U	申请日期	1984.03.07
申请人		发明人
分类号	B21D22/28;B21D24/00;(IPC1-7):B21D24/00	主分类号	B21D22/28
代理机构		代理人
主权项
地址

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