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发明名称
Propeller mechanism
摘要
申请公布号
US2625998(A)
申请公布日期
1953.01.20
申请号
US19460675391
申请日期
1946.06.08
申请人
GENERAL MOTORS CORPORATION
发明人
BERNINGER KENNETH L.;HAINES JOHN F.
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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