,申请号JP19710051823-传众专利搜索

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发明名称
摘要
申请公布号	JPS5229251(B1)	申请公布日期	1977.08.01
申请号	JP19710051823	申请日期	1971.07.14
申请人		发明人
分类号	B21B45/04;B23K7/06;(IPC1-7):B23K7/06	主分类号	B21B45/04
代理机构		代理人
主权项
地址

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