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发明名称
Dispositif de manceuvre pour appareils téléphoniques automatiques
摘要
申请公布号
FR753605(A)
申请公布日期
1933.10.20
申请号
FRD753605
申请日期
1933.04.01
申请人
发明人
MYERS ABRAM L.
分类号
H04M1/31
主分类号
H04M1/31
代理机构
代理人
主权项
地址
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