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发明名称
Schaltungsanordnung fuer Rueckkopplungssperren in Lautfernsprechanlagen
摘要
申请公布号
DE1191862(B)
申请公布日期
1965.04.29
申请号
DE1963S087656
申请日期
1963.09.30
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
KRUEGER GERHARD;FORDAN GUENTER
分类号
H04M9/08
主分类号
H04M9/08
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代理人
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地址
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