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发明名称
COATED WELDING ROD FOR ELECTRIC ARC-WELDING
摘要
申请公布号
CA488941(A)
申请公布日期
1952.12.16
申请号
CAD488941
申请日期
申请人
N.V. PHILIPS GLOEILAMPENFABRIEKEN
发明人
PAUL CHRISTIAAN VAN DER WILLIGEN
分类号
主分类号
代理机构
代理人
主权项
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