Flow Patterner for Preventing the Cave Phenomenon of Bent Pipe,申请号KR20010084475-传众专利搜索

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发明名称	Flow Patterner for Preventing the Cave Phenomenon of Bent Pipe
摘要
申请公布号	KR100513590(B1)	申请公布日期	2005.09.09
申请号	KR20010084475	申请日期	2001.12.24
申请人		发明人
分类号	B21B45/04;(IPC1-7):B21B45/04	主分类号	B21B45/04
代理机构		代理人
主权项
地址

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