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发明名称
Improvements in spud dredgers
摘要
申请公布号
GB371772(A)
申请公布日期
1932.04.28
申请号
GB19310031331
申请日期
1931.11.12
申请人
NAAMLOOZE VENNOOTSCHAP J. & K. SMIT'S SCHEEPSWERVEN
发明人
分类号
E02F9/06
主分类号
E02F9/06
代理机构
代理人
主权项
地址
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