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发明名称
Vorrichtung zur erleichterten Herstellung telephonischer Verbindungen.
摘要
申请公布号
CH256973(A)
申请公布日期
1948.09.15
申请号
CHD256973
申请日期
1947.05.19
申请人
HEYNISCH,PAUL
发明人
HEYNISCH,PAUL
分类号
H04M1/56
主分类号
H04M1/56
代理机构
代理人
主权项
地址
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