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经营范围
发明名称
Improvements in or relating to automatic switches
摘要
申请公布号
GB616693(A)
申请公布日期
1949.01.25
申请号
GB19460028650
申请日期
1946.09.25
申请人
FRANK TENCH
发明人
分类号
H01H63/06
主分类号
H01H63/06
代理机构
代理人
主权项
地址
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