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发明名称
Perfectionnements aux gouvernails de navires
摘要
申请公布号
FR731517(A)
申请公布日期
1932.09.03
申请号
FRD731517
申请日期
1932.02.17
申请人
OERTZ INTERNATIONAL STREAMLINE RUDDER CO. LTD
发明人
分类号
B63H25/38
主分类号
B63H25/38
代理机构
代理人
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