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发明名称
Kombinierter Amtsrueckfrageschalter fuer Reihenfernsprechapparate
摘要
申请公布号
DE1083869(B)
申请公布日期
1960.06.23
申请号
DE1959T016415
申请日期
1959.03.18
申请人
TELEFONBAU;NORMALZEIT G.M.B.H.
发明人
SCHMIDT HEINRICH
分类号
H01H13/72;H04M1/02
主分类号
H01H13/72
代理机构
代理人
主权项
地址
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