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ISO 4590:1981 EN
Cellular plastics — Determination of volume percentage of open and closed cells of rigid materials
废止
发布日期 :
1981-12-01
实施日期 :
ISO 4651:1979 EN
Cellular rubbers and plastics — Determination of dynamic cushioning performance
废止
发布日期 :
1979-12-01
实施日期 :