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经营范围
发明名称
Improvements relating to bomb and gas proof shelters
摘要
申请公布号
GB507415(A)
申请公布日期
1939.06.12
申请号
GB19370031045
申请日期
1937.11.11
申请人
MARIA MUELLER-EHLERS
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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