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经营范围
发明名称
Improvements in or relating to Electric Signal Transducer Apparatus
摘要
申请公布号
GB1152801(A)
申请公布日期
1969.05.21
申请号
GB19660021722
申请日期
1966.05.16
申请人
IIT RESEARCH INSTITUTE
发明人
分类号
G11B5/02;G11B5/41;G11B5/55;G11B5/58;G11B15/295;G11B15/44;G11B15/60
主分类号
G11B5/02
代理机构
代理人
主权项
地址
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