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发明名称
Circuit closer
摘要
申请公布号
US1806398(A)
申请公布日期
1931.05.19
申请号
US19270239919
申请日期
1927.12.14
申请人
MARION JACOB FRANCIS
发明人
JACOB FRANCIS MARION
分类号
H01H79/00
主分类号
H01H79/00
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