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发明名称
SHIP PROPELLOR DUCTS
摘要
申请公布号
GB1600994(A)
申请公布日期
1981.10.21
申请号
GB19770022296
申请日期
1978.05.24
申请人
LIPS BV
发明人
分类号
B63H5/14;B63H5/15;(IPC1-7):B63H1/28
主分类号
B63H5/14
代理机构
代理人
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