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发明名称
Perfectionnements apportés aux résistances électriques
摘要
申请公布号
FR1039731(A)
申请公布日期
1953.10.09
申请号
FRD1039731
申请日期
1951.07.06
申请人
ROSENTHAL-ISOLATOREN G. M. B. H.
发明人
分类号
H01C17/02
主分类号
H01C17/02
代理机构
代理人
主权项
地址
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