NARROW GROOVE WELDING DEVICE,申请号JP19760060058-传众专利搜索

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发明名称	NARROW GROOVE WELDING DEVICE
摘要
申请公布号	JPS52143947(A)	申请公布日期	1977.11.30
申请号	JP19760060058	申请日期	1976.05.26
申请人		发明人
分类号	B23K26/00;B23K26/20	主分类号	B23K26/00
代理机构		代理人
主权项
地址

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