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Chinese National Standard Category: Grinding material and apparatus |
English Title: | Special products of silicon carbide—Kiln furniture of reaction bonded silicon carbide—Part 4: Burner nozzles |
Chinese Title: | 碳化硅特种制品 反应烧结碳化硅窑具 第4部分:烧嘴套 |
Standard No.: | GB/T 21944.4-2022 |
Category No.: | J43 |
Issued by: | SAMR; SAC |
Issued on: | 2022-07-11 |
Implemented on: | 2023-2-1 |
Status: | valid |
Superseded by: | |
Superseded on: | |
Abolished on: | |
Superseding: | GB/T 21944.4-2009 Special products of silicon carbide - Kiln furniture of reaction bonded silicon carbide - Part 4:Burner nozzle |
Word Count: | 7500 words |
Similar Standards: | GB 2478-1983 GB 2479-1983 GB 11274-1989 GB 9256-1988 GB/T 2493-2023 GB/T 16457.2-2023 GB/T 23538-2023 GB/T 43323-2023 GB/T 2484-2023 GB/T 43136-2023 GB/T 43131-2023 GB/T 43134-2023 GB/T 16457.1-2023 GB/T 43132-2023 GB/T 41511-2022 GB/T 21944.4-2022 GB/T 21944.2-2022 GB/T 21944.3-2022 GB/T 14321-2022 GB/T 41357-2022 |
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