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发明名称
DREDGING BUCKET
摘要
申请公布号
GB1587557(A)
申请公布日期
1981.04.08
申请号
GB19770037987
申请日期
1977.09.12
申请人
CENTRE NATIONAL POUR L'EXPLOITATION DES OCEANS
发明人
分类号
E02F3/54;E02F3/08;E02F3/14;E21C45/00;E21C50/02;(IPC1-7):E02F3/60
主分类号
E02F3/54
代理机构
代理人
主权项
地址
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