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经营范围
发明名称
HEARING AID
摘要
申请公布号
RU2050701(C1)
申请公布日期
1995.12.20
申请号
SU19925057325
申请日期
1992.07.30
申请人
LISOVSKIJ VYACHESLAV A;KHROMOV ANATOLIJ N
发明人
LISOVSKIJ VYACHESLAV A;KHROMOV ANATOLIJ N
分类号
H04R25/00;(IPC1-7):H04R25/00
主分类号
H04R25/00
代理机构
代理人
主权项
地址
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