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发明名称
APPARAT TIL BESTEMMELSE AF EN KARAKTERISTIK FOR EN OERETELEFON
摘要
申请公布号
DK162558(C)
申请公布日期
1992.04.06
申请号
DK19840000573
申请日期
1984.02.09
申请人
HITACHI LTD.
发明人
KOHASHI, MAKOTO;MIURA, TANETOSHI;OKABE, KAORU;HAMADA, HARUO
分类号
H04R25/04;H04R25/00;H04R29/00;(IPC1-7):H04R29/00
主分类号
H04R25/04
代理机构
代理人
主权项
地址
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