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经营范围
发明名称
An observation port in a wall shielding radio-active radiation
摘要
申请公布号
GB921884(A)
申请公布日期
1963.03.27
申请号
GB19610045978
申请日期
1961.12.22
申请人
EUROPEAN ATOMIC ENERGY COMMUNITY (EURATOM)
发明人
分类号
G21F7/02;G21F7/03
主分类号
G21F7/02
代理机构
代理人
主权项
地址
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