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经营范围
发明名称
Communication equipment
摘要
申请公布号
GB854085(A)
申请公布日期
1960.11.16
申请号
GB19590028452
申请日期
1956.11.09
申请人
SMITH-CORONA MARCHANT INC.
发明人
分类号
G11B5/48;G11B15/20;G11B21/04;H04L13/08;H04L17/00;H04L17/04;H04L17/24
主分类号
G11B5/48
代理机构
代理人
主权项
地址
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