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International Standard Category: Plastics pipes and fittings for non fluid use |
Category No.: | 83.140.30 | Valid Status: | superseded |
Issued Organization: | CBTS | Issued Date: | 2000-1-1 |
Implemented Date: | 2001-5-1 | Abolished Date: | 2020-03-01 |
Superseded Standard.: | GB/T 18251-2019 Method for the assessment of the degree of pigment or carbon black dispersion in polyolefin pipes,fittings and compounds |
Superseded Date: | 2020-3-1 |
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