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发明名称
GAS-DISCHARGE DISPLAY DEVICES
摘要
申请公布号
GB1575574(A)
申请公布日期
1980.09.24
申请号
GB19770015192
申请日期
1977.04.12
申请人
SIEMENS AG
发明人
分类号
H01J31/15;G09G3/282;H01J17/49;H04N9/12;H04N9/30;(IPC1-7):H01J17/49;G09G3/28
主分类号
H01J31/15
代理机构
代理人
主权项
地址
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