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经营范围
发明名称
Improvements in or relating to sound recording apparatus
摘要
申请公布号
GB991494(A)
申请公布日期
1965.05.12
申请号
GB19630005536
申请日期
1963.02.11
申请人
DECCA LIMITED
发明人
GOODMAN ROBERT NEVILLE
分类号
G03B27/73
主分类号
G03B27/73
代理机构
代理人
主权项
地址
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