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发明名称
Aircraft with retractable variable radius rotary wing
摘要
申请公布号
US2749059(A)
申请公布日期
1956.06.05
申请号
US19520316228
申请日期
1952.10.22
申请人
VERTOL AIRCRAFT CORPORATION
发明人
MEYERS DONALD N.;CIOLKOSZ ZBYSLAW M.
分类号
B64C11/00;B64C27/30
主分类号
B64C11/00
代理机构
代理人
主权项
地址
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