gb/t20221-2006
gb/t20221-2006, Total:3 items.
The international standard classification for "gb/t20221-2006" includes: Plastics pipes, fittings and valves , Electrical engineering in general .
The Chinese standard classification for "gb/t20221-2006" includes: Plastic profile , Basic standards and general methods .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 20295-2006 Application of GB/T4728.12 and GB/T4728.13 standards
- GB/T 20221-2006 Unplasticized poly(vinyl chloride)(PVC-U)pipes for non-pressure buried drainage and sewerage systems
- GB/T 20221-2023 Unplasticized poly(vinyl chloride) (PVC-U) pipes for non-pressure buried drainage and sewerage systems
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