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经营范围
发明名称
Lehrsystem für Elektronik und Elektrotechnik
摘要
申请公布号
DE59208450(D1)
申请公布日期
1997.06.12
申请号
DE19925008450
申请日期
1992.09.14
申请人
SIEMENS AG, 80333 MUENCHEN, DE
发明人
ACKSTEINER, FRITZ, W-8900 AUGSBURG, DE
分类号
G09B23/18;(IPC1-7):G09B23/18
主分类号
G09B23/18
代理机构
代理人
主权项
地址
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