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经营范围
发明名称
ELECTROACOUSTIC TRANSDUCER
摘要
申请公布号
SU771908(A1)
申请公布日期
1980.10.15
申请号
SU19782704748
申请日期
1978.12.29
申请人
VAVILOV EVGENIJ V,SU;GUSAKOVA GALINA ,SU;FILIMONOVA ELENA V,SU
发明人
VAVILOV EVGENIJ V,SU;GUSAKOVA GALINA ,SU;FILIMONOVA ELENA V,SU
分类号
H04R17/00;(IPC1-7):H04R17/00
主分类号
H04R17/00
代理机构
代理人
主权项
地址
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