DEVICE FOR USE IN ELECTRIC WELDING OF THE EDGES OF THE LONGITUDINAL SEAM IN A METAL TUBE,申请号CAD746567-传众专利搜索

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发明名称	DEVICE FOR USE IN ELECTRIC WELDING OF THE EDGES OF THE LONGITUDINAL SEAM IN A METAL TUBE
摘要
申请公布号	CA746567(A)	申请公布日期	1966.11.15
申请号	CAD746567	申请日期
申请人	N.V. PHILIPS GLOEILAMPENFABRIEKEN	发明人	DIRK C. VAN IPEREN
分类号		主分类号
代理机构		代理人
主权项
地址

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