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发明名称
Improvements in or relating to hydraulic variable pitch propellers
摘要
申请公布号
GB818612(A)
申请公布日期
1959.08.19
申请号
GB19570007826
申请日期
1957.03.08
申请人
ROTOL LIMITED
发明人
CHILMAN JOHN ALFRED;BROOKING IVOR HAROLD
分类号
B64C11/38
主分类号
B64C11/38
代理机构
代理人
主权项
地址
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