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发明名称
Method of and apparatus for making liquid electrode devices
摘要
申请公布号
US1831935(A)
申请公布日期
1931.11.17
申请号
US19290358910
申请日期
1929.04.29
申请人
GENERAL ELECTRIC VAPOR LAMP COMPANY
发明人
WALKER WARREN R.
分类号
H01J9/38
主分类号
H01J9/38
代理机构
代理人
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