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经营范围
发明名称
Improvements in or relating to electrical distribution ducts
摘要
申请公布号
GB863221(A)
申请公布日期
1961.03.22
申请号
GB19580021143
申请日期
1958.07.02
申请人
SQUARE D COMPANY
发明人
分类号
H02G5/06
主分类号
H02G5/06
代理机构
代理人
主权项
地址
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