JB/T 4121-2025 PDF English
| Std ID | Version | USD | Buy | Deliver [PDF] in | Title (Description) |
| JB/T 4121-2025 | English | RFQ | ASK | 3 days [Need to translate] | (Heavy machinery - Lubrication product model compilation method) |
| JB/T 4121-1993 | English | 359 | Add to Cart | 3 days [Need to translate] | Lubricating elements and devices Method for designing types |
| JB 4121-1985 | English | RFQ | ASK | 3 days [Need to translate] | (Lubrication components Model methodology) |
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Basic data
| Standard ID | JB/T 4121-2025 (JB/T4121-2025) |
| Description (Translated English) | (Heavy machinery - Lubrication product model compilation method) |
| Sector / Industry | Mechanical & Machinery Industry Standard (Recommended) |
| Classification of Chinese Standard | J21 |
| Classification of International Standard | 21.26 |
| Date of Issue | 2025-05-09 |
| Date of Implementation | 2025-11-01 |
| Older Standard (superseded by this standard) | JB/T 4121-1993 |
| Issuing agency(ies) | Ministry of Industry and Information Technology |
| Summary | This standard specifies the model designation rules for heavy machinery lubrication products, describes the corresponding model designation methods and code meanings, and provides examples. This document applies to the model designation of various lubrication components and devices in the heavy machinery industry. |
