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GB/T 24349.4-2009
纺织机械与附件 圆柱形筒管 第4部分:变形丝用筒管的尺寸、偏差和标记
Textile machinery and accessories - Cylindrical tubes - Part 4: Dimensions, tolerances and designation of tubes for textured yarns
GB/T 2910.1-2009
Textiles - Quantitative chemical analysis - Part 1: General principles of testing
GB/T 2910.2-2009
Textiles - Quantitative chemical analysis - Part 2: Ternary fibre mixture
GB/T 8704.1-2009
Ferrovanadium - Determination of carbon content - The infrared absorption method and the gasometric method
GB/T 4701.2-2009
Ferrotitanium - Determination of silicon content - The sulphuric acid dehydration gravimetric method
GB/T 4701.7-2009
Ferrotitanium - Determination of phosphorus content - Molybdobismuthylphosphoric blue spectrophotometric method and the molybdenum blue spectrophotometric method
GB/T 4701.8-2009
Ferrovanadium - Determination of carbon content - The infrared absorption method
GB/T 3209-2009
Method for determination the amount of distillation residual of benzene－type product
GB/T 23845-2009
Inorganic chemicals for industrial use - General method for the determination of bromide
GB/T 23773-2009
Inorganic chemicals for industrial use - General method for determination of ammonium content - Nessler's reagent colorimetric method