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经营范围
发明名称
Improvements in or relating to audio circuit arrangements
摘要
申请公布号
GB1098519(A)
申请公布日期
1968.01.10
申请号
GB19650045481
申请日期
1965.10.27
申请人
MULLARD LIMITED
发明人
OSBORNE ROBERT
分类号
H03G3/30
主分类号
H03G3/30
代理机构
代理人
主权项
地址
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