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发明名称
Schaltungsanordnung zur UEberwachung von zweiadrigen Fernmeldeleitungen
摘要
申请公布号
DE1127953(B)
申请公布日期
1962.04.19
申请号
DE1960M045183
申请日期
1960.05.03
申请人
FRIEDRICH MERK TELEFONBAU AKTIENGESELLSCHAFT
发明人
ONCIUL DIPL.-ING. TRAIAN
分类号
G01R31/08;H04M3/28
主分类号
G01R31/08
代理机构
代理人
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地址
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