WELDING OF AN ELEMENT OF A TRACK UNIT AND A RAIL SECTION WITHOUT ADDING ANY MATERIAL,申请号KR20047019752-传众专利搜索

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发明名称	WELDING OF AN ELEMENT OF A TRACK UNIT AND A RAIL SECTION WITHOUT ADDING ANY MATERIAL
摘要
申请公布号	KR100685506(B1)	申请公布日期	2007.02.27
申请号	KR20047019752	申请日期	2004.12.03
申请人		发明人
分类号	E01B1/00;E01B11/50;B23K11/04;B23K101/26;B23K103/04;C22C38/00;C22C38/02;C22C38/04;C22C38/22;C22C38/38;C22C38/60;E01B7/12	主分类号	E01B1/00
代理机构		代理人
主权项
地址

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