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发明名称
GRID OF HIGH-POWER TUBE
摘要
申请公布号
PL130098(B2)
申请公布日期
1984.07.31
申请号
PL19810234382
申请日期
1981.12.22
申请人
发明人
分类号
H01J1/48;(IPC1-7):H01J1/46
主分类号
H01J1/48
代理机构
代理人
主权项
地址
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