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发明名称
Remote control device for a dictating machine
摘要
申请公布号
GB988859(A)
申请公布日期
1965.04.14
申请号
GB19610027026
申请日期
1961.07.26
申请人
ERNST PLESS
发明人
分类号
H04R1/02
主分类号
H04R1/02
代理机构
代理人
主权项
地址
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