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发明名称
Emergency landing pitch control means on a helicopter rotor
摘要
申请公布号
US2643726(A)
申请公布日期
1953.06.30
申请号
US19500142909
申请日期
1950.02.07
申请人
ADOLF MUTHER
发明人
MUTHER ADOLF
分类号
B64C27/00
主分类号
B64C27/00
代理机构
代理人
主权项
地址
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