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经营范围
发明名称
Apparatus for feeding mercury
摘要
申请公布号
US2313657(A)
申请公布日期
1943.03.09
申请号
US19380223519
申请日期
1938.08.06
申请人
GENERAL ELECTRIC COMPANY
发明人
MARSHAUS ANTHONY J.
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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