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发明名称
Glowlamp
摘要
申请公布号
US1954231(A)
申请公布日期
1934.04.10
申请号
US19300420478
申请日期
1930.01.13
申请人
RADIO CORPORATION
发明人
WEINBERGER JULIUS
分类号
H01J17/56
主分类号
H01J17/56
代理机构
代理人
主权项
地址
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