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发明名称
Improvements in rotors for aircraft
摘要
申请公布号
GB507701(A)
申请公布日期
1939.06.20
申请号
GB19380014493
申请日期
1938.05.16
申请人
GEORGE PERCY DEVERALL SAUL
发明人
分类号
B64C11/00;B64C39/00
主分类号
B64C11/00
代理机构
代理人
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地址
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