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发明名称
Schaltungsanordnung fuer Spernummernschalter in Fernmelde-,insbesondere Fernsprechanlagen
摘要
申请公布号
DE1800670(B1)
申请公布日期
1969.11.13
申请号
DE19681800670
申请日期
1968.10.02
申请人
SIEMENS AG
发明人
DIERSSEN HEINZ
分类号
H04M1/677
主分类号
H04M1/677
代理机构
代理人
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地址
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