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发明名称
Improvements in or relating to the production of sound records
摘要
申请公布号
GB386855(A)
申请公布日期
1933.01.26
申请号
GB19320014694
申请日期
1932.05.24
申请人
BRITISH CELANESE LIMITED
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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格栅
包装盒(大杏仁)
台布(1032)