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发明名称
Dredging equipment
摘要
申请公布号
US3152409(A)
申请公布日期
1964.10.13
申请号
US19620211493
申请日期
1962.07.23
申请人
PACIFIC COAST ENGINEERING COMPANY
发明人
RAMSDEN CHARLES D.;ROBERTSON RUSSELL J.;FRASER WILLIAM G.;ERICKSON OLE P.
分类号
E02F3/88;E02F3/90;E02F3/92;E02F9/06
主分类号
E02F3/88
代理机构
代理人
主权项
地址
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