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发明名称
Elektroakustisk transduser
摘要
申请公布号
NO985719(D0)
申请公布日期
1998.12.07
申请号
NO19980005719
申请日期
1998.12.07
申请人
PANPHONICS OY
发明人
KIRJAVAINEN, KARI
分类号
H04R3/00;H04R19/00;H04R19/02;(IPC1-7):H04R
主分类号
H04R3/00
代理机构
代理人
主权项
地址
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