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发明名称
Improvements in or relating to landing places for aircraft
摘要
申请公布号
GB710963(A)
申请公布日期
1954.06.23
申请号
GB19510021952
申请日期
1951.09.19
申请人
AUGUST GUNNAR FERDINAND WALLGREN
发明人
分类号
B64F1/02
主分类号
B64F1/02
代理机构
代理人
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