China 'GB/T 1632.4-2020
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 1632.4-2020
Plastics—Determination of the viscosity of polymers in dilute solution using capillary viscometers—Part 4:Polycarbonate(PC) moulding and extrusion materials 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
Issued Date:2020/12/14
Implemented Date:2021/7/1
Issued by:
The Standardization Administration of the People's Republic of China
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