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发明名称
Schaltung fuer Anrufsucher in selbsttaetigen oder halbselbsttaetigen Fernmelde-, insbesondere Fernsprechnebenstellenanlagen
摘要
申请公布号
DE722035(C)
申请公布日期
1942.06.29
申请号
DE1935M139365D
申请日期
1935.08.31
申请人
MIX & GENEST AG.
发明人
HEYDUCK ALFRED
分类号
H04M3/523
主分类号
H04M3/523
代理机构
代理人
主权项
地址
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