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发明名称
CELL ASSEMBLY FOR ELECTRET TRANSDUCER
摘要
申请公布号
GB2086694(A)
申请公布日期
1982.05.12
申请号
GB19810029875
申请日期
1981.10.02
申请人
TIBBETTS INDUSTRIES INC
发明人
分类号
H04R19/00;H04R19/01;H04R25/00;(IPC1-7):H04R19/01;H04R7/14
主分类号
H04R19/00
代理机构
代理人
主权项
地址
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