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经营范围
发明名称
Improvements in or relating to electric protective arrangements for polyphase electric circuits
摘要
申请公布号
GB409669(A)
申请公布日期
1934.05.01
申请号
GB19320030746
申请日期
1932.11.01
申请人
A. REYROLLE & COMPANY LIMITED;HENRY LEBEN
发明人
分类号
H02H7/26
主分类号
H02H7/26
代理机构
代理人
主权项
地址
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