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发明名称
Perfectionnements aux commutateurs de type cross-bar
摘要
申请公布号
FR1419867(A)
申请公布日期
1965.12.03
申请号
FR19640992404
申请日期
1964.10.23
申请人
发明人
LUCAS PIERRE
分类号
H01H67/26
主分类号
H01H67/26
代理机构
代理人
主权项
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