GB/T 20220-2006塑料薄膜和薄片  .样品平均厚度、卷平均厚度及单位质量面积的测定.称量法(称量厚度)Plastics—Film and sheeting—Determination of average thickness of a sample,and average thickness and yield of a roll,by gravimetric techniques(gravimetric thickness) GB/T 20220-2006塑料薄膜和薄片  .样品平均厚度、卷平均厚度及单位质量面积的测定.称量法(称量厚度)Plastics—Film and sheeting—Determination of average thickness of a sample,and average thickness and yield of a roll,by gravimetric techniques(gravimetric thickness)

GB/T 20220-2006塑料薄膜和薄片 .样品平均厚度、卷平均厚度及单位质量面积的测定.称量法(称量厚度)Plastics—Film and sheeting—Determination of average thickness of a sample,and average thickness and yield of a roll,by gravimetric techniques(gravimetric thickness)

  • 标准类别:[GB] 国家标准
  • 标准大小:
  • 标准编号:GB/T 20220-2006
  • 标准状态:现行
  • 更新时间:2022-06-14
  • 下载次数:
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