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发明名称
Improvements in or relating to propellers and process for increasing the output thereof
摘要
申请公布号
GB372266(A)
申请公布日期
1932.05.05
申请号
GB19300032253
申请日期
1930.10.27
申请人
JOSEF TOTH
发明人
分类号
B64C11/36
主分类号
B64C11/36
代理机构
代理人
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