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经营范围
发明名称
Power changing electric circuit
摘要
申请公布号
GB786976(A)
申请公布日期
1957.11.27
申请号
GB19550012809
申请日期
1955.05.03
申请人
LICENTIA PATENT-VERWALTUNGS-G.M.B.H.
发明人
分类号
H01H21/42
主分类号
H01H21/42
代理机构
代理人
主权项
地址
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