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发明名称
Improvements in and relating to talking machines
摘要
申请公布号
GB350547(A)
申请公布日期
1931.06.15
申请号
GB19300008189
申请日期
1930.03.13
申请人
CHRISTOPHER COLLARO;HENRY DEVELOPMENTS, LIMITED
发明人
分类号
G11B19/00;G11B19/265
主分类号
G11B19/00
代理机构
代理人
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地址
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