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发明名称
IMPROVEMENTS IN OR RELATING TO ELECTRICAL COILS
摘要
申请公布号
GB1205610(A)
申请公布日期
1970.09.16
申请号
GB19670058726
申请日期
1967.12.27
申请人
OSAKA ONKYO KABUSHIKI KAISHA
发明人
分类号
H04R9/04
主分类号
H04R9/04
代理机构
代理人
主权项
地址
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