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经长期包装由Abott实验室诊断部门生产的放射性诊断材料后,证明铅层纸板是最节约成本的轻材料。 1975年,Abott实验室开始使用Ray tainer(商标),一种注塑成型的铅塑合膜浅盘,来
Long-term packaging of radiodiagnostic materials produced by Abott’s Laboratory Diagnostics proves that lead cardboard is the most cost-effective light material. In 1975, Abott Labs began using Ray tainer (trademark), an injection molded lead-plastic film tray