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Number of entries (Data is updated on a monthly basis): 82592
GB/T 20975.28-2019
铝及铝合金化学分析方法 第28部分:钴含量的测定 火焰原子吸收光谱法
Methods for chemical analysis of aluminium and aluminium alloys—Part 28:Determination of cobalt content—Flame atomic absorption spectrometry
GB/T 4698.21-2019
海绵钛、钛及钛合金化学分析方法 第21部分:锰、铬、镍、铝、钼、锡、钒、钇、铜、锆量的测定 原子发射光谱法
Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 21: Determination of manganese, chromium, nickel, aluminum, molybdenum, tin, vanadium, yttrium, copper and zirconium content—Atomic emission spectrometry
GB/T 5777-2019
无缝和焊接（埋弧焊除外）钢管纵向和/或横向缺欠的全圆周自动超声检测
Automated full peripheral ultrasonic testing of seamless and welded (except submerged arc-welded) steel tubes for the detection of longitudinal and/or transverse imperfections
Number of entries (Data is updated on a monthly basis): 82592