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经营范围
发明名称
Appareil destiné à ralentir un mouvement dans un fluide
摘要
申请公布号
FR739447(A)
申请公布日期
1933.01.12
申请号
FRD739447
申请日期
1932.07.04
申请人
发明人
HEIN HERMANN
分类号
B63B21/48
主分类号
B63B21/48
代理机构
代理人
主权项
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