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经营范围
发明名称
Improvements relating to ionization chambers
摘要
申请公布号
GB822560(A)
申请公布日期
1959.10.28
申请号
GB19560009861
申请日期
1956.03.29
申请人
GENERAL ELECTRIC COMPANY
发明人
分类号
H01J47/02
主分类号
H01J47/02
代理机构
代理人
主权项
地址
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