ISO/TC 22
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 38306 | ISO 6621-4:2003 | Internal combustion engines — Piston rings — Part 4: General specifications | Atcelts |
| 59170 | ISO 6621-4:2015 | Internal combustion engines — Piston rings — Part 4: General specifications | Atcelts |
| 13037 | ISO 6621-5:1988 | Internal combustion engines — Piston rings — Part 5: Quality requirements | Atcelts |
| 40891 | ISO 6621-5:2005 | Internal combustion engines — Piston rings — Part 5: Quality requirements | Atcelts |
| 55412 | ISO 6621-5:2013 | Internal combustion engines — Piston rings — Part 5: Quality requirements | Atcelts |
| 13038 | ISO 6622-1:1986 | Internal combustion engines — Piston rings — Part 1: Rectangular rings | Atcelts |
| 37348 | ISO 6622-1:2003 | Internal combustion engines — Piston rings — Part 1: Rectangular rings made of cast iron | Atcelts |
| 38358 | ISO 6622-2:2003 | Internal combustion engines — Piston rings — Part 2: Rectangular rings made of steel | Atcelts |
| 55413 | ISO 6622-2:2013 | Internal combustion engines — Piston rings — Part 2: Rectangular rings made of steel | Standarts spēkā |
| 13040 | ISO 6623:1986 | Internal combustion engines — Piston rings — Scraper rings | Atcelts |
Displaying 191-200 of 468 results.