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经营范围
发明名称
Improvements in or relating to microphones
摘要
申请公布号
GB1144908(A)
申请公布日期
1969.03.12
申请号
GB19660039787
申请日期
1966.09.06
申请人
ARBITER ELECTRONICS LIMITED
发明人
SHARDLOW PETER ROBERT DIGBY
分类号
H04R1/46
主分类号
H04R1/46
代理机构
代理人
主权项
地址
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