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发明名称
Perfectionnements aux dispositifs de reproduction sonore à canal unique
摘要
申请公布号
FR1215130(A)
申请公布日期
1960.04.14
申请号
FR19580778466
申请日期
1958.11.06
申请人
HI-TONE
发明人
KAGAN JEAN
分类号
H04R1/26
主分类号
H04R1/26
代理机构
代理人
主权项
地址
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