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发明名称
Hydraulic suction dredge
摘要
申请公布号
US2260293(A)
申请公布日期
1941.10.28
申请号
US19400336659
申请日期
1940.05.22
申请人
BROWN JESSE J
发明人
BROWN JESSE J.
分类号
E02F3/90;E02F3/92;E02F9/06
主分类号
E02F3/90
代理机构
代理人
主权项
地址
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