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发明名称
Improvements in or relating to electric tumbler switches and covers
摘要
申请公布号
GB499314(A)
申请公布日期
1939.01.20
申请号
GB19370020030
申请日期
1937.07.20
申请人
ALFRED WATSON
发明人
分类号
H01H23/04;H02B1/06
主分类号
H01H23/04
代理机构
代理人
主权项
地址
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