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经营范围
发明名称
Improvements in and relating to loudspeakers, microphones and the like
摘要
申请公布号
GB620159(A)
申请公布日期
1949.03.21
申请号
GB19460018985
申请日期
1946.06.25
申请人
RESLO (SOUND EQUIPMENT) LIMITED;LEONARD WALTER MURKHAM
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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