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发明名称
Electric discharge apparatus
摘要
申请公布号
US1980870(A)
申请公布日期
1934.11.13
申请号
US19310539038
申请日期
1931.05.21
申请人
GENERAL ELECTRIC COMPANY
发明人
MCARTHUR EIMER D.
分类号
H01J5/42
主分类号
H01J5/42
代理机构
代理人
主权项
地址
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