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发明名称
SCHALTUNGSANORDNUNG FUER EIN FREISPRECHERTELEFON
摘要
申请公布号
LU79026(A1)
申请公布日期
1978.06.21
申请号
LU19780079026
申请日期
1978.02.08
申请人
DASY INTER SA
发明人
BROSOW J
分类号
H04M1/60;H04M9/08;H04M9/10;(IPC1-7):H04M/;H04B/
主分类号
H04M1/60
代理机构
代理人
主权项
地址
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