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发明名称
Schaltungsanordnung für halbautomatische Fernsprechanlagen.
摘要
申请公布号
AT147082(B)
申请公布日期
1936.09.25
申请号
ATD147082
申请日期
1935.04.05
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
FRIEDRICH LILL
分类号
主分类号
代理机构
代理人
主权项
地址
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