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经营范围
发明名称
Improvements in and relating to electrical switches of the air or gas blast type
摘要
申请公布号
GB526429(A)
申请公布日期
1940.09.18
申请号
GB19390007862
申请日期
1939.03.10
申请人
DAVID REGINALD DAVIES;METROPOLITAN-VICKERS ELECTRICAL COMPANY LIMITED
发明人
分类号
H01H33/70
主分类号
H01H33/70
代理机构
代理人
主权项
地址
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