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发明名称
Improvements in or relating to electric change-over switches
摘要
申请公布号
GB752664(A)
申请公布日期
1956.07.11
申请号
GB19540003505
申请日期
1954.02.05
申请人
COMPAGNIE POUR LA FABRICATION DES COMPTEURS ET MATERIEL D'USINES A GAZ
发明人
分类号
G04C23/10
主分类号
G04C23/10
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代理人
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