Home / Standards / GB/T 33645-2017 GB/T 33645-2017 Active Welding procedure qualification test for laser-arc hybrid welding of steels, nickel and nickel alloys 钢、镍及镍合金的激光-电弧复合焊接工艺评定试验 Standard Type GBT ICS 25.160.10 CCS J33 Status 现行 Issue Date 2017-05-12 Implementation 2017-12-01 Responsible Dept 国家标准委 Drafting Unit N/A