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经营范围
发明名称
AIRCRAFT WEATHERVANING DEVICE
摘要
申请公布号
US3567160(A)
申请公布日期
1971.03.02
申请号
USD3567160
申请日期
1969.04.03
申请人
EARL G. ADAMS;EDMUND L. EVELETH
发明人
EARL G. ADAMS;EDMUND L. EVELETH
分类号
B64F1/16;(IPC1-7):B64F1/12
主分类号
B64F1/16
代理机构
代理人
主权项
地址
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