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发明名称
Mercury feeding apparatus
摘要
申请公布号
US2374304(A)
申请公布日期
1945.04.24
申请号
US19430512471
申请日期
1943.12.01
申请人
GENERAL ELECTRIC COMPANY
发明人
OWINGS CHARLES E.
分类号
H01J9/395
主分类号
H01J9/395
代理机构
代理人
主权项
地址
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