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发明名称
Propeller
摘要
申请公布号
US2527438(A)
申请公布日期
1950.10.24
申请号
US19440559445
申请日期
1944.10.19
申请人
MCCAULEY ERNEST G
发明人
MCCAULEY ERNEST G.
分类号
B64C11/04
主分类号
B64C11/04
代理机构
代理人
主权项
地址
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