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发明名称
Variable pitch aerial propeller
摘要
申请公布号
US2314025(A)
申请公布日期
1943.03.16
申请号
US19390306564
申请日期
1939.11.28
申请人
RAYMOND WASEIGE CHARLES
发明人
WASEIGE CHARLES RAYMOND
分类号
B64C11/30
主分类号
B64C11/30
代理机构
代理人
主权项
地址
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