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发明名称
APPARATUS FOR OUTLET TELEPHONE TRAFIC OVER CONNECTION LINE
摘要
申请公布号
BG29852(A1)
申请公布日期
1981.02.16
申请号
BG19790043203
申请日期
1979.04.11
申请人
KIRJAKOVA,JJORDANKA A.;PETKANOVA,MARGARITA I.
发明人
KIRJAKOVA,JJORDANKA A.;PETKANOVA,MARGARITA I.
分类号
H04M7/12;(IPC1-7):H04M7/12
主分类号
H04M7/12
代理机构
代理人
主权项
地址
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