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发明名称
Einrichtung zur Kompensation des Umlichteinflusses auf fotoelektrische Waehltastaturen fuer Fernmelde-, insbesondere Fernsprechanlagen
摘要
申请公布号
DE1257864(B)
申请公布日期
1968.01.04
申请号
DE1966S101804
申请日期
1966.02.04
申请人
SIEMENS AKTIENGESELLSCHAFT
发明人
WOLAK KURT;HAHN HELMUT;MONAT HERMANN
分类号
C08F24/00;H04M1/23
主分类号
C08F24/00
代理机构
代理人
主权项
地址
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