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经营范围
发明名称
Cargo helicopter assembly
摘要
申请公布号
US2721044(A)
申请公布日期
1955.10.18
申请号
US19520326803
申请日期
1952.12.18
申请人
YOUNG RAYMOND A
发明人
YOUNG RAYMOND A.
分类号
B64C27/04
主分类号
B64C27/04
代理机构
代理人
主权项
地址
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