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发明名称
摘要
申请公布号
DE1938312(C3)
申请公布日期
1978.06.15
申请号
DE19691938312
申请日期
1969.07.28
申请人
SIEMENS AG, 1000 BERLIN UND 8000 MUENCHEN
发明人
ERNST, WOLFRAM, DIPL.-ING., 8000 MUENCHEN;GEBHARDT, HARTMUT, DIPL.-ING., 8021 GROSSHESSELOHE;HAUSSMANN, PETER, DIPL.-ING., 8000 MUENCHEN
分类号
G06F11/07;H04M3/08;H04Q3/545;(IPC1-7):H04Q1/24
主分类号
G06F11/07
代理机构
代理人
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