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经营范围
发明名称
Helicopter
摘要
申请公布号
US2404014(A)
申请公布日期
1946.07.16
申请号
US19430474401
申请日期
1943.02.01
申请人
FRED THORNES
发明人
THORNES FRED
分类号
B64C27/10
主分类号
B64C27/10
代理机构
代理人
主权项
地址
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