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经营范围
发明名称
ELECTROSTATIC HEADPHONE
摘要
申请公布号
SU645290(A1)
申请公布日期
1979.01.30
申请号
SU19772517569
申请日期
1977.08.22
申请人
AMLINSKAYA LIDIYA ,SU;BULATOV VALENTIN S,SU
发明人
AMLINSKAYA LIDIYA ,SU;BULATOV VALENTIN S,SU
分类号
H04R19/00;(IPC1-7):H04R19/00
主分类号
H04R19/00
代理机构
代理人
主权项
地址
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