ICS 25.160.10 J33 GB 中华人民共和国国家标准 GB/T33645—2017 钢、镍及镍合金的激光-电弧复合焊接工艺评定试验 Welding procedure qualification test for laser-arc hybrid welding of steels, nickel and nickel alloys (ISO 15614-14:2013,Specification and qualification of welding procedures for metallic materials-Welding procedure test- Part 14:Laser-arc hybrid welding of steels,nickel and nickel alloys,MOD) 2017-05-12发布 2017-12-01实施中华人民共和国国家质量监督检验检疫总局发布中国国家标准化管理委员会