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经营范围
发明名称
Circuit for the synchronous control of step-by-step switch devices
摘要
申请公布号
GB706880(A)
申请公布日期
1954.04.07
申请号
GB19520001813
申请日期
1952.01.22
申请人
LICENTIA PATENT-VERWALTUNGS G.M.B.H.
发明人
分类号
H01H67/06;H04Q9/04
主分类号
H01H67/06
代理机构
代理人
主权项
地址
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