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发明名称
Combined front and rear propelling and steering mechanism for aircraft
摘要
申请公布号
US1987606(A)
申请公布日期
1935.01.15
申请号
US19310555062
申请日期
1931.08.04
申请人
STERLING P. BUCK
发明人
DAVIS ROBERT W.
分类号
B64D27/00
主分类号
B64D27/00
代理机构
代理人
主权项
地址
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