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发明名称
TRASDUTTORE ELETTROACUSTICO
摘要
申请公布号
IT1080558(B)
申请公布日期
1985.05.16
申请号
IT19770024502
申请日期
1977.06.08
申请人
BOSE CORP
发明人
分类号
H04R7/12;H04R7/16;H04R9/00;H04R9/02;H04R9/04;H04R9/06;H04R31/00
主分类号
H04R7/12
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代理人
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