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经营范围
发明名称
DRAG HEAD FOR A SUCTION DREDGER
摘要
申请公布号
GB2012337(A)
申请公布日期
1979.07.25
申请号
GB19780050018
申请日期
1978.12.27
申请人
KONINKLIJKE ADRIAAN VOLKER GROEP BV
发明人
分类号
E02F3/92;(IPC1-7):E02F3/88
主分类号
E02F3/92
代理机构
代理人
主权项
地址
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