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经营范围
发明名称
Improved circuit arrangement for producing a d.c. output voltage of a desired polarity
摘要
申请公布号
GB1136208(A)
申请公布日期
1968.12.11
申请号
GB19670024195
申请日期
1967.05.24
申请人
LICENTIA PATENT-VERWALTUNGS-G.M.B.H.
发明人
分类号
G01R19/22;G06G7/25
主分类号
G01R19/22
代理机构
代理人
主权项
地址
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