air venting device for ballasting submersible heavy lift carrier,申请号KR20080017463U-传众专利搜索

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发明名称	air venting device for ballasting submersible heavy lift carrier
摘要
申请公布号	KR200454112(Y1)	申请公布日期	2011.06.17
申请号	KR20080017463U	申请日期	2008.12.31
申请人		发明人
分类号	B63B11/04;B63B13/00;B63J2/10	主分类号	B63B11/04
代理机构		代理人
主权项
地址

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