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经营范围
发明名称
Brake for flying machines
摘要
申请公布号
US1777254(A)
申请公布日期
1930.09.30
申请号
US19270194822
申请日期
1927.05.27
申请人
ARTHUR CONNORS
发明人
CONNORS ARTHUR
分类号
B64C11/42
主分类号
B64C11/42
代理机构
代理人
主权项
地址
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