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经营范围
发明名称
Improvements relating to electric tumbler switches
摘要
申请公布号
GB472748(A)
申请公布日期
1937.09.29
申请号
GB19370009202
申请日期
1937.03.31
申请人
A. F. BULGIN & COMPANY LIMITED;ARTHUR FREDERICK BULGIN
发明人
分类号
H01H9/48
主分类号
H01H9/48
代理机构
代理人
主权项
地址
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