China National Standards

China 121℃ GB Standards List


  •  China "121℃" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 12416.2-1990 Glass--Hydrolytic resistance ofglass grains at 121℃--Test method and classification
    玻璃颗粒在 121℃耐水性的试验方法和分级
    China National Standards
    121℃

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