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发明名称
DISPOSITIVO PER SMISTARE COMUNICAZIONI CON MODULAZIONE A DELTA IN UN CENTRO DI COMMUTAZIONE PER TELECOMUNICAZIONI PCM, SPECIE IN UNA CENTRALE TELEFONICA.
摘要
申请公布号
IT7926212(D0)
申请公布日期
1979.10.03
申请号
IT19790026212
申请日期
1979.10.03
申请人
SIEMENS AKTIENGESELLSCHAFT
发明人
DOHRER MANFRED
分类号
H04Q11/04
主分类号
H04Q11/04
代理机构
代理人
主权项
地址
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