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经营范围
发明名称
Underground shelters
摘要
申请公布号
GB2074626(A)
申请公布日期
1981.11.04
申请号
GB19800014091
申请日期
1980.04.29
申请人
WATTS R H
发明人
分类号
E04H9/12;(IPC1-7):E04H9/12
主分类号
E04H9/12
代理机构
代理人
主权项
地址
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