DUAL STEEL PIPE,申请号KR19980012657-传众专利搜索

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发明名称	DUAL STEEL PIPE
摘要
申请公布号	KR19990079841(A)	申请公布日期	1999.11.05
申请号	KR19980012657	申请日期	1998.04.09
申请人	DAE KYUNG STEEL IND CO LTD	发明人	BANG KWAN-SOO
分类号	F16L9/18	主分类号	F16L9/18
代理机构		代理人
主权项
地址

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