GAS PROTECTED ELECTRIC ARC-WELDING,申请号CAD570751-传众专利搜索

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发明名称	GAS PROTECTED ELECTRIC ARC-WELDING
摘要
申请公布号	CA570751(A)	申请公布日期	1959.02.17
申请号	CAD570751	申请日期
申请人	N.V. PHILIPS GLOEILAMPENFABRIEKEN	发明人	HENRI BIENFAIT;PAUL C. VAN DER WILLIGEN
分类号		主分类号
代理机构		代理人
主权项
地址

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