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经营范围
发明名称
Self complementing gaseous electronic discharge storage or counting tube
摘要
申请公布号
GB761520(A)
申请公布日期
1956.11.14
申请号
GB19540035038
申请日期
1954.12.03
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
分类号
H01J17/48
主分类号
H01J17/48
代理机构
代理人
主权项
地址
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