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| International Standard Category: Thermoplastic materials |
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 ;
| Category No.: | 83.080.20 | Valid Status: | valid |
| Issued Organization: | SAMR and SAMR | Issued Date: | 2020-12-14 |
| Implemented Date: | 2021-7-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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