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发明名称
Perfectionnements aux compteurs de geiger
摘要
申请公布号
FR998871(A)
申请公布日期
1952.01.24
申请号
FRD998871
申请日期
1949.11.02
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01J47/08
主分类号
H01J47/08
代理机构
代理人
主权项
地址
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