China National Standards

China Free GB Standards List


  •  China "Free" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 9273-1988 Print-Free test of film
    漆膜无印痕试验
    China National Standards
    Free

    English PDF
    GB/T 7130-1986 Determination of Free phenols in phenol-formaldehyde mouldings--Iodometric method
    酚醛模塑制品中游离酚的测定 碘量法
    China National Standards
    Free

    English PDF
    GB/T 5474-1985 Phenol-formaldehyde mouldings--Determination of Free ammonia and ammonium compounds--Colorimetric comparison method
    酚醛模塑制品游离氨和铵化合物的测定 比色法
    China National Standards
    Free

    English PDF
    GB/T 5473-1985 Phenol-formaldehyde mouldings--Detection of Free ammonia
    酚醛模塑制品游离氨的检定
    China National Standards
    Free

    English PDF
    GB/T 2689.4-1981 Life test and acceleration life test--Optimal linear deflection-Free--Evaluation of Weibull distributions
    寿命试验和加速寿命试验的最好线性无偏估计法(用于威布尔分布)
    China National Standards
    Free

    English PDF
    GB/T 2689.3-1981 Life test and acceleration life test--Simple linear deflection-Free--Evaluation ofWeibull distributions
    寿命试验和加速寿命试验的简单线性无偏估计法(用于威布尔分布)
    China National Standards
    Free

    English PDF

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