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发明名称
Elektronisches Vermittlungssystem
摘要
申请公布号
DE1007379(B)
申请公布日期
1957.05.02
申请号
DE1955S043057
申请日期
1955.03.16
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
GOSSLAU DIPL.-ING. DR. KARL-HEINZ
分类号
H04Q11/04
主分类号
H04Q11/04
代理机构
代理人
主权项
地址
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