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发明名称
Schaltungseinrichtung fuer Krankenzimmer in einer kombinierten Schwesternruf- und -sprechanlage
摘要
申请公布号
DE1160022(B)
申请公布日期
1963.12.27
申请号
DE1962J021305
申请日期
1962.02.15
申请人
JOSEF JOHANNKNECHT
发明人
JOHANNKNECHT JOSEF
分类号
G08B7/06;H04M11/02
主分类号
G08B7/06
代理机构
代理人
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