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发明名称
Système de commutation
摘要
申请公布号
FR1013604(A)
申请公布日期
1952.07.31
申请号
FRD1013604
申请日期
1950.02.06
申请人
发明人
GRUNDIN IVAN WITALIS;ERLANDSSON ERIK GUNNAR VALFRID
分类号
H01H67/24;H04Q3/00
主分类号
H01H67/24
代理机构
代理人
主权项
地址
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