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发明名称
Improvements in ships' rudders
摘要
申请公布号
GB332083(A)
申请公布日期
1930.07.17
申请号
GB19290024075
申请日期
1929.08.07
申请人
AMOS LOWREY AYRE;WILFRID AYRE
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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地址
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