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发明名称
Einrichtung zur UEberwachung einer Verstaerkeranordnung
摘要
申请公布号
DE540211(C)
申请公布日期
1931.12.14
申请号
DE1929S093818D
申请日期
1929.09.07
申请人
SIEMENS & HALSKE AKT.-GES.
发明人
KIRSTAEDTER DIPL.-ING. IRMFRIED
分类号
H04M3/40
主分类号
H04M3/40
代理机构
代理人
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