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发明名称
COMMUNICATIONS DEVICE WITH PLURAL, POWER-OPERATED DISPLAY MECHANISMS SELECTIVELY CONTROLLED BY AN OPERATOR
摘要
申请公布号
US4117474(A)
申请公布日期
1978.09.26
申请号
US19760743112
申请日期
1976.11.19
申请人
AUGUSTINE, LLOYD E.
发明人
AUGUSTINE, LLOYD E.
分类号
G09F11/02;(IPC1-7):G09F9/00
主分类号
G09F11/02
代理机构
代理人
主权项
地址
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