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发明名称
Improvements in electromagnetic step-by-step switches
摘要
申请公布号
GB657364(A)
申请公布日期
1951.09.19
申请号
GB19490003487
申请日期
1949.02.09
申请人
THE GENERAL ELECTRIC COMPANY LIMITED;GEORGE DEWAR
发明人
分类号
H01H63/04;H01H67/06
主分类号
H01H63/04
代理机构
代理人
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地址
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