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发明名称
HELICOPTER
摘要
申请公布号
US3550883(A)
申请公布日期
1970.12.29
申请号
USD3550883
申请日期
1968.05.21
申请人
JAMES E. IRBY
发明人
JAMES E. IRBY
分类号
B64C27/04;(IPC1-7):B64C27/04
主分类号
B64C27/04
代理机构
代理人
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地址
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