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发明名称
Improvements in or relating to electro-magnetic make-and-break devices
摘要
申请公布号
GB602967(A)
申请公布日期
1948.06.07
申请号
GB19450030381
申请日期
1945.11.13
申请人
GILBERT FREDERICK WEEKS
发明人
分类号
H01H1/34
主分类号
H01H1/34
代理机构
代理人
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地址
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