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发明名称
Dispositif d'intercommunications téléphoniques
摘要
申请公布号
FR1441285(A)
申请公布日期
1966.06.03
申请号
FR19650607625
申请日期
1965.07.26
申请人
COMPAGNIE DES TELEPHONES
发明人
分类号
H04M9/00
主分类号
H04M9/00
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