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发明名称
Schaltungsanordnung zur Signalgabe in Fernmeldeanlagen
摘要
申请公布号
DE609457(C)
申请公布日期
1935.02.21
申请号
DE1932S104194D
申请日期
1932.04.15
申请人
SIEMENS & HALSKE AKT.-GES.
发明人
FABER DIPL.-ING. KARL
分类号
H04Q1/446
主分类号
H04Q1/446
代理机构
代理人
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地址
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