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发明名称
Improvements in magazine talking machines
摘要
申请公布号
GB591448(A)
申请公布日期
1947.08.19
申请号
GB19430021049
申请日期
1943.12.15
申请人
THOMAS HARRY KOSH;SIDNEY JOHN WRIGHT
发明人
分类号
G11B17/00;G11B17/22
主分类号
G11B17/00
代理机构
代理人
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地址
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