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发明名称
Kontaktfeld für Wähler.
摘要
申请公布号
AT116972(B)
申请公布日期
1930.03.25
申请号
ATD116972
申请日期
1929.02.20
申请人
TELEFONAKTIEBOLAGET L. M. ERICSSON
发明人
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主分类号
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