CIRCUIT ARRANGEMENT FOR TELECOMMUNICATION EXCHANGES, ESPECIALLY TELEPHONE EXCHANGES WITH SUBEXCHANGES, ESPECIALLY CONCENTRATORS CONNECTED TO EXCHANGES BY CONNECTION CHANNELS
摘要
申请公布号
EP0197304(B1)
申请公布日期
1990.01.17
申请号
EP19860102953
申请日期
1986.03.06
申请人
SIEMENS AKTIENGESELLSCHAFT
发明人
SEIDEL, GUNTHER, ING. GRAD.;UBELHACK, HEINRICH, ING. GRAD.;HOMER, RUSSEL D.
