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经营范围
发明名称
Remote dictation system
摘要
申请公布号
US2846506(A)
申请公布日期
1958.08.05
申请号
US19560625714
申请日期
1956.12.03
申请人
DICTAPHONE CORPORATION
发明人
JONES LLOYD R.;FREUND RUDOLF E.;JR. FRANK H. PALMER,
分类号
H04M11/10
主分类号
H04M11/10
代理机构
代理人
主权项
地址
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