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发明名称
FERNSPRECHER-KASTEN.
摘要
申请公布号
DE1786441(U)
申请公布日期
1959.04.09
申请号
DE195700K5566U
申请日期
1957.04.15
申请人
WILHELM KLEFFNER
发明人
WILHELM KLEFFNER
分类号
主分类号
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