The welding machine for the pipe inside and welding method,申请号KR20070086102-传众专利搜索

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发明名称	The welding machine for the pipe inside and welding method
摘要
申请公布号	KR100920170(B1)	申请公布日期	2009.10.06
申请号	KR20070086102	申请日期	2007.08.27
申请人		发明人
分类号	B23K9/025;B23K9/028;B23K9/032	主分类号	B23K9/025
代理机构		代理人
主权项
地址

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