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经营范围
发明名称
Perfectionnements aux transformateurs pour soudure à l'arc
摘要
申请公布号
FR750698(A)
申请公布日期
1933.08.16
申请号
FRD750698
申请日期
1932.05.11
申请人
发明人
SARAZIN ROBERT
分类号
H01F29/02
主分类号
H01F29/02
代理机构
代理人
主权项
地址
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