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发明名称
ELECTRON DISCHARGE APPARATUS
摘要
申请公布号
CA441735(A)
申请公布日期
1947.05.27
申请号
CAD441735
申请日期
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED;BELL TELEPHONE LABORATORIES
发明人
ALBERT MELVIN SKELLETT
分类号
主分类号
代理机构
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