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发明名称
Dispositif pour masquer l'ouverture du puits d'une drague suceuse
摘要
申请公布号
FR1036960(A)
申请公布日期
1953.09.14
申请号
FRD1036960
申请日期
1951.05.10
申请人
J. & K. SMIT'S SCHEEPSWERVEN N. V.
发明人
分类号
E02F3/90
主分类号
E02F3/90
代理机构
代理人
主权项
地址
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