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发明名称
DEVICE FOR SELECTIVE VOLTAGE SUPPLY TO TELEPHONE SET
摘要
申请公布号
CS8703325(A1)
申请公布日期
1990.06.13
申请号
CS19870003325
申请日期
1987.05.11
申请人
STOJEV ILIJA G. ING.,BG;LAZAROV BORIS M. ING.,BG;CENKIN ATANAS P. ING.,BG
发明人
STOJEV ILIJA G. ING.,BG;LAZAROV BORIS M. ING.,BG;CENKIN ATANAS P. ING.,BG
分类号
H04M3/06;H04Q1/30;(IPC1-7):H04M3/06
主分类号
H04M3/06
代理机构
代理人
主权项
地址
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