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| Chinese National Standard Category: Engine body and moving parts |
| English Title: | Internal combustion engines - Piston rings - Part 7: Rectangular rings made of cast iron |
| Chinese Title: | 内燃机 活塞环 第7部分：矩形铸铁环 |
| Standard No.: | GB/T 1149.7-2010 |
| Category No.: | J92 |
| Issued by: | CMIF |
| Issued on: | 2010-11-10 |
| Implemented on: | 2011-3-1 |
| Status: | superseded |
| Superseded by: | GB/T 14222-1993 Internal combustion engines--Piston rings--Rectangular rings |
| Superseded on: | 1993-10-1 |
| Abolished on: | |
| Superseding: | GB/T 14222-1993 Internal combustion engines--Piston rings--Rectangular rings |
| Word Count: | 15000 words |
| Similar Standards: | GB/T 1148-1993 GB 2805-1981 GB 3509-1983 GB 9484-1988 GB/T 1149.12-2023 GB/T 1149.11-2023 GB/T 1149.17-2023 GB/T 24748-2023 GB/T 1151-2023 GB/T 1149.8-2022 GB/T 25361.1-2022 GB/T 1149.6-2021 GB/T 1149.4-2021 GB/T 23340-2018 GB/T 23339-2018 GB/T 1149.15-2017 GB/T 1149.16-2015 JB/T 12085-2014 GB/T 1149.12-2013 GB/T 1149.10-2013 |
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