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发明名称
TRANSDUCER ELEMENT
摘要
申请公布号
GB8326781(D0)
申请公布日期
1983.11.09
申请号
GB19830026781
申请日期
1983.10.06
申请人
BESTOBELL (UK) LTD
发明人
分类号
H01L41/20;H04R15/00;(IPC1-7):H04R15/00
主分类号
H01L41/20
代理机构
代理人
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