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经营范围
发明名称
Improvements in or relating to electric control switches
摘要
申请公布号
GB354989(A)
申请公布日期
1931.08.20
申请号
GB19300022378
申请日期
1930.07.24
申请人
CLARENCE TURNER EVANS
发明人
分类号
H01H21/00
主分类号
H01H21/00
代理机构
代理人
主权项
地址
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