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发明名称
Arc-quenching material
摘要
申请公布号
US1786581(A)
申请公布日期
1930.12.30
申请号
US19280262966
申请日期
1928.03.19
申请人
ELECTRICAL ENGINEERS EQUIPMENT CO.
发明人
STEERUP GODFREY
分类号
H01H33/22
主分类号
H01H33/22
代理机构
代理人
主权项
地址
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