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经营范围
发明名称
A helicopter landing platform
摘要
申请公布号
GB2027651(A)
申请公布日期
1980.02.27
申请号
GB19780031911
申请日期
1978.08.02
申请人
HERSTAD O
发明人
分类号
E01F3/00;(IPC1-7):B64F1/00;A62C3/00
主分类号
E01F3/00
代理机构
代理人
主权项
地址
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