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经营范围
发明名称
Sound-reproducing apparatus
摘要
申请公布号
GB891980(A)
申请公布日期
1962.03.21
申请号
GB19600038446
申请日期
1960.11.09
申请人
KARL VOCKENHUBER
发明人
分类号
G11B5/00
主分类号
G11B5/00
代理机构
代理人
主权项
地址
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