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发明名称
ELECTRON DISCHARGE DEVICE
摘要
申请公布号
CA336002(A)
申请公布日期
1933.09.26
申请号
CAD336002
申请日期
申请人
THE WESTERN ELECTRIC COMPANY
发明人
HARRY WILLIAM ERICSSON;VICTOR LIONEL RONCI
分类号
主分类号
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代理人
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