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发明名称
Method and apparatus for locating sound signals on sound record carriers
摘要
申请公布号
GB635141(A)
申请公布日期
1950.04.05
申请号
GB19470009730
申请日期
1947.04.11
申请人
OTTO KURT KOLB
发明人
分类号
G11B5/00
主分类号
G11B5/00
代理机构
代理人
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