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经营范围
发明名称
Improvements in or relating to rectifiers
摘要
申请公布号
GB1072010(A)
申请公布日期
1967.06.14
申请号
GB19650049500
申请日期
1965.11.22
申请人
CKD PRAHA
发明人
分类号
H02H7/12;H02H7/125
主分类号
H02H7/12
代理机构
代理人
主权项
地址
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