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发明名称
Speech displayer
摘要
申请公布号
US3293782(A)
申请公布日期
1966.12.27
申请号
US19630256870
申请日期
1963.02.07
申请人
DREXLER RAYMON S
发明人
DREXLER RAYMON S.
分类号
B42D19/00
主分类号
B42D19/00
代理机构
代理人
主权项
地址
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