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发明名称
Improvements in air-raid and like shelters
摘要
申请公布号
GB525119(A)
申请公布日期
1940.08.22
申请号
GB19380033456
申请日期
1938.11.17
申请人
BENSON GEORGE WILLIS BARTLETT
发明人
分类号
E04H9/10
主分类号
E04H9/10
代理机构
代理人
主权项
地址
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