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经营范围
发明名称
Perfectionnement aux anodes pour arc électrique intensif
摘要
申请公布号
FR817913(A)
申请公布日期
1937.09.14
申请号
FRD817913
申请日期
1936.05.18
申请人
COMPAGNIE LORRAINE DE CHARBONS POUR L'ELECTRICITE
发明人
分类号
H05B31/10
主分类号
H05B31/10
代理机构
代理人
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