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发明名称
Automatic switch
摘要
申请公布号
US1750902(A)
申请公布日期
1930.03.18
申请号
US19250013046
申请日期
1925.03.05
申请人
AUTOMATIC ELECTRIC INC.
发明人
OBERGFELL HERBERT F.
分类号
H01H51/04
主分类号
H01H51/04
代理机构
代理人
主权项
地址
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