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发明名称
Propeller blade ice preventer
摘要
申请公布号
US2354764(A)
申请公布日期
1944.08.01
申请号
US19400362601
申请日期
1940.10.24
申请人
UNITED AIRCRAFT CORPORATION
发明人
MARTIN ERLE
分类号
B64D15/16
主分类号
B64D15/16
代理机构
代理人
主权项
地址
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