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Chinese National Standard Category: Engine body and moving parts |
English Title: | Internal combustion engines--Piston rings--Quality requirements |
Chinese Title: | 内燃机活塞环 技术要求 |
Standard No.: | GB/T 1149.4-1994 |
Category No.: | J92 |
Issued by: | SBTS |
Issued on: | 1994-01-02 |
Implemented on: | 1995-7-1 |
Status: | superseded |
Superseded by: | GB/T 1149.4-2008 Internal combustion engines - Piston rings - Part 4: Quality requirements GB/T 1149.3-2010 Internal combustion engines - Piston rings - Part 3: Material specifications |
Superseded on: | 2011-3-1 |
Abolished on: | 2009-02-01 |
Superseding: | GB 1149-1982 Piston rings for reciprocating internal combustion engines |
Word Count: | 6000 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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