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发明名称
COMPLESSO MICROFONICO AD ELETTRETE
摘要
申请公布号
IT1140231(B)
申请公布日期
1986.09.24
申请号
IT19810024562
申请日期
1981.10.19
申请人
GENTEX CORP
发明人
COTE PAUL L.
分类号
H04R19/00;H04R19/01;H04R19/04;(IPC1-7):H04R/
主分类号
H04R19/00
代理机构
代理人
主权项
地址
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