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发明名称
Discharge tube display
摘要
申请公布号
US1924497(A)
申请公布日期
1933.08.29
申请号
US19280310377
申请日期
1928.10.04
申请人
FRED HOTCHNER
发明人
HOTCHNER FRED
分类号
H05B41/44
主分类号
H05B41/44
代理机构
代理人
主权项
地址
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