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经营范围
发明名称
Hydraulic dredge
摘要
申请公布号
US2992497(A)
申请公布日期
1961.07.18
申请号
US19590784633
申请日期
1959.01.02
申请人
CONSTRUCTION AGGREGATES CORPORATION
发明人
DAVIS CLYDE
分类号
B02C1/04;E02F3/94;E02F7/06
主分类号
B02C1/04
代理机构
代理人
主权项
地址
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