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发明名称
AKTIVE ZWEIPOLSCHALTUNG MIT HOHEM DIFFERENTIELLEM WIDERSTAND
摘要
申请公布号
DE1791149(B1)
申请公布日期
1971.05.27
申请号
DE19681791149
申请日期
1968.09.23
申请人
SIEMENS AG
发明人
PREIS JOSEF DIPL-ING
分类号
G05F3/22;H04B3/44;(IPC1-7):H04B3/44
主分类号
G05F3/22
代理机构
代理人
主权项
地址
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