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发明名称
Dispositif de commutation.
摘要
申请公布号
CH256133(A)
申请公布日期
1948.07.31
申请号
CHD256133
申请日期
1946.04.18
申请人
COMPAGNIE GENERALE D'ELECTRICITE
发明人
RIOU,YVES
分类号
H04M3/08;H04Q3/00
主分类号
H04M3/08
代理机构
代理人
主权项
地址
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