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发明名称
HELICOPTERS
摘要
申请公布号
GB1476059(A)
申请公布日期
1977.06.10
申请号
GB19750025517
申请日期
1975.06.16
申请人
OSBERGER H
发明人
分类号
B64D41/00;B64C27/18;(IPC1-7):B64C27/12
主分类号
B64D41/00
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