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发明名称
Gaseous electric discharge device
摘要
申请公布号
US1930147(A)
申请公布日期
1933.10.10
申请号
US19290407525
申请日期
1929.11.15
申请人
GENERAL ELECTRIC COMPANY
发明人
PIRANI MARCELLO
分类号
H01J61/00;H01J61/10
主分类号
H01J61/00
代理机构
代理人
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地址
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