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发明名称
Schaltungsanordnung fuer einen mikrofoniearmen Teilnehmerapparat
摘要
申请公布号
DE1195816(B)
申请公布日期
1965.07.01
申请号
DE1960T019238
申请日期
1960.11.05
申请人
TELEFONBAU;NORMALZEIT G.M.B.H.
发明人
HOFMANN HERBERT
分类号
H04M1/68;H04M1/74
主分类号
H04M1/68
代理机构
代理人
主权项
地址
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