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发明名称
Résistance électrique perfectionnée
摘要
申请公布号
FR836909(A)
申请公布日期
1939.01.30
申请号
FRD836909
申请日期
1938.04.20
申请人
S. E. C. I. SOCIETA ELETTROTECNICA CHIMICA ITALIANA
发明人
分类号
H01C1/148
主分类号
H01C1/148
代理机构
代理人
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地址
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