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发明名称
Perfectionnements apportés aux procédés de soudure à l'arc électrique
摘要
申请公布号
FR894156(A)
申请公布日期
1944.12.15
申请号
FRD894156
申请日期
1943.04.21
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
B23K35/30
主分类号
B23K35/30
代理机构
代理人
主权项
地址
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