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经营范围
发明名称
Système de commutation
摘要
申请公布号
FR1424023(A)
申请公布日期
1966.01.07
申请号
FR19640000295
申请日期
1964.12.29
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
分类号
H04Q3/00
主分类号
H04Q3/00
代理机构
代理人
主权项
地址
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