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发明名称
AKUSTISK TILPASNINGELEMENT TIL EN TRANSDUCER
摘要
申请公布号
DK475189(A)
申请公布日期
1990.03.30
申请号
DK19890004751
申请日期
1989.09.27
申请人
BRITISH GAS PLC
发明人
GILL, MICHAEL JOHN
分类号
H04R17/00;G10K11/00;(IPC1-7):H04R17/10;G10K11/02
主分类号
H04R17/00
代理机构
代理人
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