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发明名称
HEADSET COMPRISING HEADPHONES AND A MICROPHONE
摘要
申请公布号
GB1530083(A)
申请公布日期
1978.10.25
申请号
GB19770035594
申请日期
1977.08.24
申请人
AKG AKUSTISCHE U KINO GERAETE GMBH
发明人
分类号
H04M1/05;(IPC1-7):H04M1/05
主分类号
H04M1/05
代理机构
代理人
主权项
地址
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