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经营范围
发明名称
Electrodynamic relay
摘要
申请公布号
US2503243(A)
申请公布日期
1950.04.11
申请号
US19450634333
申请日期
1945.12.11
申请人
ALBERT COHEN
发明人
COHEN ALBERT
分类号
H01H53/015
主分类号
H01H53/015
代理机构
代理人
主权项
地址
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