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发明名称
Perfectionnement aux compteurs électroniques
摘要
申请公布号
FR1078907(A)
申请公布日期
1954.11.24
申请号
FRD1078907
申请日期
1950.06.28
申请人
COMPAGNIE FRANCAISE THOMSON-HOUSTON
发明人
分类号
H01J31/02
主分类号
H01J31/02
代理机构
代理人
主权项
地址
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