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发明名称
Improvements in electric switches
摘要
申请公布号
GB571196(A)
申请公布日期
1945.08.10
申请号
GB19430021648
申请日期
1943.12.24
申请人
THOMAS GRAHAM FARISH
发明人
分类号
H01H19/14
主分类号
H01H19/14
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