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经营范围
发明名称
ELECTROACOUSTIC CONVERTER
摘要
申请公布号
SU957438(A1)
申请公布日期
1982.09.07
申请号
SU19802930959
申请日期
1980.05.26
申请人
GAJDAROV ALEKSANDR S,SU;PRIEZZHEV GENRIKH M,SU
发明人
GAJDAROV ALEKSANDR S,SU;PRIEZZHEV GENRIKH M,SU
分类号
H04R13/00;(IPC1-7):H04R13/00
主分类号
H04R13/00
代理机构
代理人
主权项
地址
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