HG/T 2627-1994
HG/T 2626-1994
GB/T 37629-2019(\u82f1\u6587\u7248)
纺织品 定量化学分析 聚丙烯腈纤维与某些其他纤维的混合物(甲酸/氯化锌法)
UNE 53364:1984
PLASTICS. DETERMINATION OF VISCOSITY NUMBER OF METHYL METHACRYLATE POLYMERS AND COPOLYMERS IN DILUTE SOLUTION
ISO 1233:1975
Plastics — Determination of viscosity number of methyl methacrylate polymers and copolymers in dilute solution