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经营范围
发明名称
Improvements in or relating to magnetic recording apparatus
摘要
申请公布号
GB806336(A)
申请公布日期
1958.12.23
申请号
GB19570002783
申请日期
1957.01.25
申请人
WESTERN ELECTRIC COMPANY
发明人
分类号
B41J3/50;B41J3/51
主分类号
B41J3/50
代理机构
代理人
主权项
地址
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