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发明名称
Airplane vertical rudder control mechanism
摘要
申请公布号
US1819801(A)
申请公布日期
1931.08.18
申请号
US19310514372
申请日期
1931.02.09
申请人
WALDEN EDWIN M
发明人
WALDEN EDWIN M.
分类号
B64C13/00
主分类号
B64C13/00
代理机构
代理人
主权项
地址
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