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发明名称
Improvements in and relating to electric control devices
摘要
申请公布号
GB351425(A)
申请公布日期
1931.06.24
申请号
GB19290038487
申请日期
1929.12.16
申请人
THE BRITISH THOMSON-HOUSTON COMPANY LIMITED
发明人
分类号
F16K31/10
主分类号
F16K31/10
代理机构
代理人
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地址
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