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发明名称
Electric circuit and a safety switch therefor
摘要
申请公布号
US2492077(A)
申请公布日期
1949.12.20
申请号
US19470780631
申请日期
1947.10.18
申请人
WALL JOHN P
发明人
WALL JOHN P.
分类号
H01H27/06
主分类号
H01H27/06
代理机构
代理人
主权项
地址
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