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发明名称
Electric display device
摘要
申请公布号
US1986251(A)
申请公布日期
1935.01.01
申请号
US19330701675
申请日期
1933.12.09
申请人
J. FRED SMITH;RAYMOND T. ANDERSON
发明人
COMER EARLE R.
分类号
G09F13/00
主分类号
G09F13/00
代理机构
代理人
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地址
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