Home / Standards / GB 6013-85 GB 6013-85 Determination of purity of butadiene for industrial use — Gas chromatographic method 工业用丁二烯纯度的测定 气相色谱法 Standard Type GB ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A