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发明名称
Display devices using piezo-electric transducers
摘要
申请公布号
US3254264(A)
申请公布日期
1966.05.31
申请号
US19610121629
申请日期
1961.07.03
申请人
THE MAEHLETT LABORATORIES, INCORPORATED
发明人
WARD SAMUEL A.
分类号
H05B33/00
主分类号
H05B33/00
代理机构
代理人
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