High pressure hydroformed multi-layer tube and manufacturing method there of tube using high pressure tube hydroforming,申请号KR20070060485-传众专利搜索

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发明名称	High pressure hydroformed multi-layer tube and manufacturing method there of tube using high pressure tube hydroforming
摘要
申请公布号	KR100889472(B1)	申请公布日期	2009.03.19
申请号	KR20070060485	申请日期	2007.06.20
申请人		发明人
分类号	B21D26/033;B21C37/06;B21D39/04	主分类号	B21D26/033
代理机构		代理人
主权项
地址

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