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发明名称
Kobling ved automatiske telefonanlæg til registrering af ledningers telefonnumre.
摘要
申请公布号
DK68721(C)
申请公布日期
1949.03.14
申请号
DK19460000756
申请日期
1946.02.27
申请人
TELEFONAKTIEBOLAGET L. M. ERICSSON
发明人
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主分类号
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