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发明名称
Telephonteilnehmerstation mit Rückhördämpfung für ZB-Betrieb.
摘要
申请公布号
CH272996(A)
申请公布日期
1951.01.15
申请号
CHD272996
申请日期
1948.05.28
申请人
ALBISWERK ZUERICH AG.
发明人
AG. ALBISWERK ZUERICH
分类号
H04M1/58
主分类号
H04M1/58
代理机构
代理人
主权项
地址
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