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发明名称
Improvements in or relating to apparatus for making and breaking electric circuits
摘要
申请公布号
GB718984(A)
申请公布日期
1954.11.24
申请号
GB19520006271
申请日期
1952.03.11
申请人
SQUARE D COMPANY
发明人
分类号
H01H71/74;H01H73/50
主分类号
H01H71/74
代理机构
代理人
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