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发明名称
Anordnung für Telephonvermittlungsstellen.
摘要
申请公布号
CH210437(A)
申请公布日期
1940.07.15
申请号
CHD210437
申请日期
1939.06.30
申请人
C. LORENZ AKTIENGESELLSCHAFT
发明人
AKTIENGESELLSCHAFT C. LORENZ
分类号
H04B1/52;H04B3/38
主分类号
H04B1/52
代理机构
代理人
主权项
地址
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