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经营范围
发明名称
Electromagnet and relay
摘要
申请公布号
US2357959(A)
申请公布日期
1944.09.12
申请号
US19410386672
申请日期
1941.04.03
申请人
WARD LEONARD ELECTRIC COMPANY
发明人
KOUYOUMJIAN HAROUTIUM K.
分类号
H01H71/44
主分类号
H01H71/44
代理机构
代理人
主权项
地址
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