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发明名称
LAUTSPRECHER
摘要
申请公布号
DD136915(A5)
申请公布日期
1979.08.01
申请号
DD19780205732
申请日期
1978.06.01
申请人
MANGER,JOSEF W.,DE
发明人
MANGER,JOSEF W.,DE
分类号
H04R1/28;H04R1/02;H04R1/22;H04R1/40;(IPC1-7):H04R1/40
主分类号
H04R1/28
代理机构
代理人
主权项
地址
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