polishing apparatus for gate valve seat,申请号KR20060018406U-传众专利搜索

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发明名称	polishing apparatus for gate valve seat
摘要
申请公布号	KR200428251(Y1)	申请公布日期	2006.10.12
申请号	KR20060018406U	申请日期	2006.07.07
申请人		发明人
分类号	B24B15/04	主分类号	B24B15/04
代理机构		代理人
主权项
地址

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