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发明名称
Incandescent wire arrangement in audions
摘要
申请公布号
US1839323(A)
申请公布日期
1932.01.05
申请号
US19290341143
申请日期
1929.02.19
申请人
SIEGMUND LOEWE
发明人
LOEWE SIEGMUND
分类号
H01J1/15
主分类号
H01J1/15
代理机构
代理人
主权项
地址
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