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经营范围
发明名称
Perfectionnements aux circuits de filtrage
摘要
申请公布号
FR1057101(A)
申请公布日期
1954.03.05
申请号
FRD1057101
申请日期
1952.03.19
申请人
COMPAGNIE FRANCAISE THOMSON-HOUSTON
发明人
分类号
H02M1/15
主分类号
H02M1/15
代理机构
代理人
主权项
地址
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