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经营范围
发明名称
Improvements in or relating to the reproduction of sound track records cut into a carrier
摘要
申请公布号
GB625823(A)
申请公布日期
1949.07.05
申请号
GB19460019075
申请日期
1946.06.26
申请人
PHILLIPS LAMPS LIMITED
发明人
分类号
G11B11/00
主分类号
G11B11/00
代理机构
代理人
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