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发明名称
摘要
申请公布号
DE2520532(B2)
申请公布日期
1978.09.21
申请号
DE19752520532
申请日期
1975.05.07
申请人
SIEMENS AG, 1000 BERLIN UND 8000 MUENCHEN
发明人
NOEBEL, EGBERT, DIPL.-PHYS., 8000 MUENCHEN
分类号
H04M19/04;(IPC1-7):H04M19/04;H04M3/42
主分类号
H04M19/04
代理机构
代理人
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