GB/T 40801-2021钛、锆及其合金的焊接工艺评定试验标准
英文:Welding procedure qualification tests for titanium, zirconium and their alloys GB/T 40801-2021介绍: 国家标准《钛、锆及其合金的焊接工艺评定...
英文:Welding procedure qualification tests for titanium, zirconium and their alloys GB/T 40801-2021介绍: 国家标准《钛、锆及其合金的焊接工艺评定...