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发明名称
Vermittlungstisch fuer Fernmeldeanlagen
摘要
申请公布号
DE954512(C)
申请公布日期
1956.12.20
申请号
DE1953S034357
申请日期
1953.07.17
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
PAUL WALTER;RAAB EDUARD
分类号
H04L12/04
主分类号
H04L12/04
代理机构
代理人
主权项
地址
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