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经营范围
发明名称
Schaltungsanordnung fuer Fernsprechanlagen
摘要
申请公布号
DE669612(C)
申请公布日期
1939.01.03
申请号
DE1935S120694D
申请日期
1935.12.05
申请人
SIEMENS & HALSKE AKT.-GES.
发明人
ANDERS OTTO
分类号
H04Q3/00
主分类号
H04Q3/00
代理机构
代理人
主权项
地址
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