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发明名称
Variable pitch propeller
摘要
申请公布号
US2126813(A)
申请公布日期
1938.08.16
申请号
US19360067772
申请日期
1936.03.09
申请人
MILDRED M. REID
发明人
REID LELAND E.
分类号
B64C11/16
主分类号
B64C11/16
代理机构
代理人
主权项
地址
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