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经营范围
发明名称
Perfectionnements apportés aux dragueurs à aspiration
摘要
申请公布号
FR832677(A)
申请公布日期
1938.09.30
申请号
FRD832677
申请日期
1938.01.26
申请人
L. SMIT & ZOON'S SCHEEPS-EN WERKTUIGBOUW N. V.
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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