CRATER TREATING METHOD BEFORE WELDING COMPLETION,申请号JP19890252090-传众专利搜索

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发明名称	CRATER TREATING METHOD BEFORE WELDING COMPLETION
摘要
申请公布号	JPH03118970(A)	申请公布日期	1991.05.21
申请号	JP19890252090	申请日期	1989.09.29
申请人	KOBE STEEL LTD	发明人	MURAYAMA KOICHI
分类号	B23K9/02	主分类号	B23K9/02
代理机构		代理人
主权项
地址

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