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发明名称
ELETRODO EMISSIVO
摘要
申请公布号
BR7203082(D0)
申请公布日期
1974.04.18
申请号
BR19720003082
申请日期
1972.05.16
申请人
ITT INDUSTRIES INC
发明人
KERN E;MENELLY R
分类号
H01J1/30;(IPC1-7):H01J1/30
主分类号
H01J1/30
代理机构
代理人
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地址
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