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 GB/T 1288-2011  
Chemical reagent - Potassium sodium tartrate tetrahydrate

化学试剂 四水合酒石酸钾钠(酒石酸钾钠)
 GB/T 26492.5-2011  
Defects of wrought aluminium and aluminium alloys ingots and products - Part 5: Defects for tubes,rods or bars,profiles,wires

变形铝及铝合金铸锭及加工产品缺陷 第5部分:管材、棒材、型材、线材缺陷

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