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发明名称
Schaltungsanordnung fuer Nummernstromstossempfaenger in Fernmeldeanlagen, insbesondere Fernsprechanlagen
摘要
申请公布号
DE748702(C)
申请公布日期
1944.11.17
申请号
DED748702
申请日期
1938.04.08
申请人
发明人
SCHWARTZ ROMAN
分类号
H04Q3/00
主分类号
H04Q3/00
代理机构
代理人
主权项
地址
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