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经营范围
发明名称
Automatic variable pitch propeller
摘要
申请公布号
US2123193(A)
申请公布日期
1938.07.12
申请号
US19350033736
申请日期
1935.07.29
申请人
LILLEY DANIEL G
发明人
LILLEY DANIEL G.
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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