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发明名称
Schaltungsanordnung für eine Fernsprech-, insbesondere Fernsprechnebenstellenanlage
摘要
申请公布号
AT255500(B)
申请公布日期
1967.07.10
申请号
AT19650001839
申请日期
1965.03.02
申请人
SIEMENS AKTIENGESELLSCHAFT
发明人
分类号
H04M
主分类号
H04M
代理机构
代理人
主权项
地址
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