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经营范围
发明名称
Rotor for helicopters
摘要
申请公布号
US2001529(A)
申请公布日期
1935.05.14
申请号
US19340707831
申请日期
1934.01.22
申请人
CLAUDE DORNIER
发明人
DORNIER CLAUDE
分类号
B64C27/18
主分类号
B64C27/18
代理机构
代理人
主权项
地址
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