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发明名称
DEVICE FOR DIALLING'S LIMITATION WITH TELEPHONE SET
摘要
申请公布号
CS256918(B1)
申请公布日期
1988.04.15
申请号
CS19840000863
申请日期
1984.02.07
申请人
POPOV,NAUMOV K.,BG
发明人
POPOV,NAUMOV K.,BG
分类号
H04M1/677;(IPC1-7):H04M1/66
主分类号
H04M1/677
代理机构
代理人
主权项
地址
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