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发明名称
Nach Art eines Codesignalpruefers arbeitende Pruefschaltung,insbesondere fuer Fernsprechanlagen
摘要
申请公布号
DE1762331(A1)
申请公布日期
1970.04.16
申请号
DE19681762331
申请日期
1968.05.27
申请人
SIEMENS AG
发明人
SORGENFREI,DIPL.-ING.HEIKO
分类号
G06F11/08;H04Q3/00
主分类号
G06F11/08
代理机构
代理人
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地址
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