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发明名称
DRAG HEAD FOR A TRAILING SUCTION HOPPER DREDGER AND METHOD FOR DREDGING USING THIS DRAG HEAD
摘要
申请公布号
PT2342385(E)
申请公布日期
2012.11.13
申请号
PT20090815688T
申请日期
2009.09.24
申请人
DREDGING INTERNATIONAL
发明人
BRUNO TACK
分类号
E02F3/92
主分类号
E02F3/92
代理机构
代理人
主权项
地址
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