GB/T 1632.4-2020塑料使用毛细管黏度计测定聚合物稀溶液黏度第4部分:聚碳酸酯(PC)模塑和挤出材料标准
英文:Plastics—Determination of the viscosity of polymers in dilute solution using capillary viscometers—Part 4:Polycarbona...
英文:Plastics—Determination of the viscosity of polymers in dilute solution using capillary viscometers—Part 4:Polycarbona...