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经营范围
发明名称
Mechanical device for switching predetermined and preset frequencies
摘要
申请公布号
GB963021(A)
申请公布日期
1964.07.08
申请号
GB19610017406
申请日期
1961.05.12
申请人
COMPAGNIE FRANCAISE THOMSON-HOUSTON
发明人
分类号
H03J5/06;H03J5/10
主分类号
H03J5/06
代理机构
代理人
主权项
地址
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