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发明名称
LIGHT GUIDE CHARACTER FORMING MASK AND DISPLAY DEVICE CONTROL ELEMENT
摘要
申请公布号
US3581308(A)
申请公布日期
1971.05.25
申请号
USD3581308
申请日期
1969.04.11
申请人
JOSEPH T. MCNANEY
发明人
JOSEPH T. MCNANEY
分类号
G02F1/055;G02F1/1335;G08B5/36;G09F9/305;(IPC1-7):G08B5/00;G09F9/30
主分类号
G02F1/055
代理机构
代理人
主权项
地址
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