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发明名称
DRAGHEAD FOR SUCTION DREDGER
摘要
申请公布号
US4083132(A)
申请公布日期
1978.04.11
申请号
US19760696363
申请日期
1976.06.15
申请人
BOS KALIS WESTMINSTER GROUP N.V.
发明人
ANDREAE, JOHANNES FRANCISCUS REINARDUS
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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