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发明名称
DEVICE FOR CONVERTING THE SIGNAL LEVEL BETWEEN INTERFACE RS 232 AND A TELEGRAPH LINE
摘要
申请公布号
BG35737(A1)
申请公布日期
1984.06.15
申请号
BG19830059616
申请日期
1983.02.07
申请人
KNCHEV,RUMEN L.
发明人
KNCHEV,RUMEN L.
分类号
H04L7/00;(IPC1-7):H04L7/00
主分类号
H04L7/00
代理机构
代理人
主权项
地址
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