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发明名称
Waehleinrichtung fuer Fernsprechstationen
摘要
申请公布号
DE1059042(B)
申请公布日期
1959.06.11
申请号
DE1958H033288
申请日期
1958.05.16
申请人
DR. ERICH HAEUSSERMANN
发明人
HAEUSSERMANN DR. ERICH
分类号
H04M1/23;H04M1/31
主分类号
H04M1/23
代理机构
代理人
主权项
地址
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