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经营范围
发明名称
Improvements in or relating to recording apparatus more particularly for use in conjunction with radio receivers
摘要
申请公布号
GB824772(A)
申请公布日期
1959.12.02
申请号
GB19550033318
申请日期
1955.11.21
申请人
A. C. NIELSEN COMPANY LIMITED
发明人
分类号
H04H60/40
主分类号
H04H60/40
代理机构
代理人
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