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发明名称
Improvements relating to combined switches and coupling sockets
摘要
申请公布号
GB407697(A)
申请公布日期
1934.03.21
申请号
GB19320026210
申请日期
1932.09.21
申请人
JOHN ASHWORTH CRABTREE
发明人
分类号
H01H1/58
主分类号
H01H1/58
代理机构
代理人
主权项
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