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发明名称
SISTEMA DI MODULAZIONE DIFFERENZIA LE A CODICE DI IMPULSI
摘要
申请公布号
IT960428(B)
申请公布日期
1973.11.20
申请号
IT19720068989
申请日期
1972.06.20
申请人
WESTERN ELECTRIC CO
发明人
分类号
H03M3/02;H03M3/04;H03M7/00;(IPC1-7):H03C/
主分类号
H03M3/02
代理机构
代理人
主权项
地址
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