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经营范围
发明名称
Improvements in electric relays
摘要
申请公布号
GB532540(A)
申请公布日期
1941.01.27
申请号
GB19390023145
申请日期
1939.08.10
申请人
TREVOR LUMSDEN HERBERT BUTTERFIELD;METROPOLITAN - VICKERS ELECTRICAL COMPANY LIMITED
发明人
分类号
H01H50/88
主分类号
H01H50/88
代理机构
代理人
主权项
地址
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