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发明名称
Pool-type discharge device
摘要
申请公布号
US2175908(A)
申请公布日期
1939.10.10
申请号
US19380191855
申请日期
1938.02.23
申请人
GENERAL ELECTRIC COMPANY
发明人
MILES LAWRENCE D.
分类号
H01J13/32
主分类号
H01J13/32
代理机构
代理人
主权项
地址
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