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经营范围
发明名称
VOICE SWITCHED TELEPHONE LOUDSPEAKERS
摘要
申请公布号
AU508617(B2)
申请公布日期
1980.03.27
申请号
AU19770025805
申请日期
1977.06.03
申请人
KARLSSON, L.P.
发明人
L.P. KARLSSON
分类号
H04M9/08;(IPC1-7):H04M1/60;H04M1/58
主分类号
H04M9/08
代理机构
代理人
主权项
地址
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