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发明名称
Selbsttaetiger Stromstossgeber fuer Selbstanschlussfernsprechstellen
摘要
申请公布号
DE590997(C)
申请公布日期
1934.01.15
申请号
DED590997D
申请日期
1930.06.14
申请人
JOSEF POEHLER
发明人
分类号
H04M1/272
主分类号
H04M1/272
代理机构
代理人
主权项
地址
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