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发明名称
PROPELLER PITCH CHANGING MECHANISM
摘要
申请公布号
CA406858(A)
申请公布日期
1942.08.18
申请号
CAD406858
申请日期
申请人
UNITED AIRCRAFT CORPORATION
发明人
ERLE MARTIN;JOHN ELMER ANDERSON
分类号
主分类号
代理机构
代理人
主权项
地址
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