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发明名称
摘要
申请公布号
DE2143189(A1)
申请公布日期
1972.04.20
申请号
DE19712143189
申请日期
1971.08.28
申请人
INST FUER NACHRICHTENTECHNIK
发明人
分类号
G05F1/56;G05F1/44;H02M3/337;(IPC1-7):G05F1/56
主分类号
G05F1/56
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代理人
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