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发明名称
Piezoelektrisk elektroakustisk omvandler
摘要
申请公布号
NO993327(D0)
申请公布日期
1999.07.05
申请号
NO19990003327
申请日期
1999.07.05
申请人
MURATA MANUFACTURING CO LTD
发明人
YAMAMOTO, KAZUAKI
分类号
G10K9/122;H04R17/00;(IPC1-7):H04R
主分类号
G10K9/122
代理机构
代理人
主权项
地址
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