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发明名称
Système de commutation téléphonique
摘要
申请公布号
FR1530905(A)
申请公布日期
1968.06.28
申请号
FR19670113697
申请日期
1967.07.10
申请人
AUTOMATIC ELECTRIC LABORATORIES, INC.
发明人
分类号
H04Q3/545
主分类号
H04Q3/545
代理机构
代理人
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