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发明名称
Suppression partielle de la cavitation en rotation à grande vitesse des hélices marines
摘要
申请公布号
FR849062(A)
申请公布日期
1939.11.14
申请号
FRD849062
申请日期
1939.01.18
申请人
发明人
ROCHE
分类号
B63H1/12
主分类号
B63H1/12
代理机构
代理人
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地址
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