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发明名称
Schaltungsanordnung fuer Fernmeldeanlagen, vorzugsweise fuer Polizei- und Feuermeldezwecke
摘要
申请公布号
DE874465(C)
申请公布日期
1953.04.23
申请号
DE1950C000672
申请日期
1950.03.19
申请人
CLAESSON PER HARRY ELIAS
发明人
CLAESSON PER HARRY ELIAS
分类号
H04M11/04
主分类号
H04M11/04
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代理人
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