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经营范围
发明名称
Moyens et dispositifs pour la protection des hélices marines pendant leur rotation
摘要
申请公布号
FR749945(A)
申请公布日期
1933.08.01
申请号
FRD749945
申请日期
1933.02.02
申请人
发明人
TROUCHE GABRIEL
分类号
B63H5/16
主分类号
B63H5/16
代理机构
代理人
主权项
地址
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