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发明名称
DICTATION SYSTEM
摘要
申请公布号
CA544518(A)
申请公布日期
1957.08.06
申请号
CAD544518
申请日期
申请人
DICTAPHONE CORPORATION
发明人
DOUGLAS E. TAYLOR;LLOYD R. JONES
分类号
主分类号
代理机构
代理人
主权项
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