Home / Standards / GB/T3401-1999 GB/T3401-1999 Determination of viscosity number of polyvinyl chloride resin in dilute solution 聚氯乙烯树脂稀溶液粘数的测定 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A