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经营范围
发明名称
Electric protective relay
摘要
申请公布号
US1869222(A)
申请公布日期
1932.07.26
申请号
US19290408884
申请日期
1929.11.21
申请人
A. REYROLLE & COMPANY LIMITED
发明人
LEBEN HENRY
分类号
H01H71/42
主分类号
H01H71/42
代理机构
代理人
主权项
地址
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