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经营范围
发明名称
Elektrische Steuereinrichtung fuer Fernmeldeanlagen
摘要
申请公布号
DE881960(C)
申请公布日期
1953.07.06
申请号
DE1950I003001
申请日期
1950.10.01
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
DEAKIN GERALD
分类号
H04Q1/18
主分类号
H04Q1/18
代理机构
代理人
主权项
地址
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