Cart:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 1149.6-2021 |
Internal combustion engines—Piston rings—Part 6: Scraper rings made of cast iron 内燃机 活塞环 第6部分：铸铁刮环 |
China National Standards engines—Piston |
 English PDF |
| GB/T 1149.4-2021 |
Internal combustion engines—Piston rings—Part 4:Quality requirements 内燃机 活塞环 第4部分：质量要求 |
China National Standards engines—Piston |
English PDF |
| GB/T 1149.15-2017 |
Internal combustion engines—Piston rings—Part 15: Coil-spring-loaded oil control rings of narrow width made of cast iron 内燃机 活塞环 第15部分：薄型铸铁螺旋撑簧油环 |
China National Standards engines—Piston |
English PDF |
| GB/T 1149.16-2015 |
Internal combustion engines—Piston rings—Part 16: Expander/segment oil-control rings 内燃机 活塞环 第16部分：钢带组合油环 |
China National Standards engines—Piston |
English PDF |
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