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摘要
申请公布号
US2873330(A)
申请公布日期
1959.02.10
申请号
US19550534227
申请日期
1955.09.14
申请人
SQUARE D COMPANY
发明人
GRIBBLE JOSEPH J.
分类号
H01H11/00;H01H50/54
主分类号
H01H11/00
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