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发明名称
Switching apparatus
摘要
申请公布号
US2218834(A)
申请公布日期
1940.10.22
申请号
US19380214722
申请日期
1938.06.20
申请人
ASSOCIATED ELECTRIC LABORATORIES, INC.
发明人
SENGEBUSCH HANS
分类号
H01H67/12
主分类号
H01H67/12
代理机构
代理人
主权项
地址
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