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发明名称
INFORMATION DISPLAY DISCHARGE DEVICES
摘要
申请公布号
GB1360356(A)
申请公布日期
1974.07.17
申请号
GB19720025360
申请日期
1972.05.31
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
分类号
H01J17/49;(IPC1-7):H01J31/10
主分类号
H01J17/49
代理机构
代理人
主权项
地址
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