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发明名称
VERFAHREN UND SCHALTUNG ZUR ERZEUGUNG VON DIGITALEN ZWEIFREQUENZ- SIGNALEN
摘要
申请公布号
DE2610236(A1)
申请公布日期
1977.01.27
申请号
DE19762610236
申请日期
1976.03.11
申请人
ROLM CORP.
发明人
D. EDWARDS,JOHN
分类号
H04Q1/45;G06F1/02;H03B28/00;H04M1/50;H04Q1/457;(IPC1-7):H04Q11/04;H04M19/00
主分类号
H04Q1/45
代理机构
代理人
主权项
地址
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