Home / Standards / GB/T 41979.1-2022 GB/T 41979.1-2022 Active Friction stir spot welding—Aluminium and its alloys—Part 1：Vocabulary and definition 搅拌摩擦点焊 铝及铝合金 第1部分:术语及定义 Standard Type GBT ICS 25.160.01 CCS J33 Status 现行 Issue Date 2022-10-12 Implementation 2022-10-12 Responsible Dept 国家标准委 Drafting Unit N/A