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经营范围
发明名称
Improvements in or relating to thermally-operated electric switches or relays
摘要
申请公布号
GB301425(A)
申请公布日期
1930.03.28
申请号
GB19280035070
申请日期
1928.11.28
申请人
THE BRITISH THOMSON-HOUSTON COMPANY LIMITED
发明人
分类号
H01H71/74
主分类号
H01H71/74
代理机构
代理人
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地址
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