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发明名称
Improvements in and connected with electric switches
摘要
申请公布号
GB329447(A)
申请公布日期
1930.05.22
申请号
GB19290009844
申请日期
1929.03.27
申请人
LUCAS BARRETT
发明人
分类号
H01H23/06
主分类号
H01H23/06
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代理人
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