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发明名称
BAND LOUDSPEAKER
摘要
申请公布号
SU581598(A1)
申请公布日期
1977.11.25
申请号
SU19742083976
申请日期
1974.12.17
申请人
KASATKIN ALEKSEJ F,SU;FELDMAN ILYA A,SU
发明人
KASATKIN ALEKSEJ F,SU;FELDMAN ILYA A,SU
分类号
H04R9/00;H04R1/40;H04R9/04;H04R9/06;(IPC1-7):H04R9/06
主分类号
H04R9/00
代理机构
代理人
主权项
地址
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