GB/T 39699-2020橡胶聚合物的鉴定裂解气相色谱-质谱法标准
英文:Rubber—Identification of polymers—Pyrolytic gas-chromatographic method using mass-spectrometric detection GB/T 39699-...
英文:Rubber—Identification of polymers—Pyrolytic gas-chromatographic method using mass-spectrometric detection GB/T 39699-...