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发明名称
Sperrbare Waehleinrichtung an Fernsprechapparaten
摘要
申请公布号
DE924636(C)
申请公布日期
1955.03.07
申请号
DE1953Q000293
申请日期
1953.04.28
申请人
QUANTE & CO. K.-G.
发明人
STEINHOFF GUENTER
分类号
H04M1/677
主分类号
H04M1/677
代理机构
代理人
主权项
地址
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