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发明名称
Improvements in or relating to hydro-electric steering apparatus for ships
摘要
申请公布号
GB414615(A)
申请公布日期
1934.08.09
申请号
GB19340009599
申请日期
1934.03.27
申请人
ETABLISSEMENTS PAUL DUCLOS;JEAN DUCLOS
发明人
分类号
B63H25/28
主分类号
B63H25/28
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代理人
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