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发明名称
PROPELLER PROTECTING DEVICES
摘要
申请公布号
GB8408653(D0)
申请公布日期
1984.05.16
申请号
GB19840008653
申请日期
1984.04.04
申请人
GOVAN, D T
发明人
分类号
B63H5/16;(IPC1-7):B63B17/00
主分类号
B63H5/16
代理机构
代理人
主权项
地址
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