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发明名称
Improvements in screw propellers
摘要
申请公布号
GB388479(A)
申请公布日期
1933.03.02
申请号
GB19310029352
申请日期
1931.10.22
申请人
ECLIPSE AVIATION CORPORATION
发明人
分类号
B64C11/34
主分类号
B64C11/34
代理机构
代理人
主权项
地址
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