标 准 编 号：EN 12073-1999 简体中文标题：焊接易耗品 不锈钢和耐热钢有或无气体遮蔽金属电弧焊接用管状有芯焊条繁体中文标题：焊接易耗品 不锈钢和耐热钢有或无气体遮蔽金属电弧焊接用管状有芯焊条English Name：Welding consumables-Tubular cored electrodes for metal arc welding with or without a gas shield of stainless and heat-resisting steels -Classification ...