Cart:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 38805-2020 |
Technical requirements of heat treatment for Heavy duty gears 重载齿轮热处理技术要求 |
China National Standards Heavy duty gear |
 English PDF |
| GB 13895-2018 |
Heavy duty gear oils for automobile (GL-5) 重负荷车辆齿轮油(GL-5) |
China National Standards Heavy duty gear |
English PDF |
| GB/T 30034-2013 |
Criteria for changing of heavy-duty vechicle gear oil(GL-5) 重负荷车辆齿轮油（GL-5）换油指标 |
China National Standards Heavy duty gear |
English PDF |
| GB 13895-1992 |
Heavy duty gear oil for automobile(GL-5) 重负荷车辆齿轮油(GL-5) |
China National Standards Heavy duty gear |
English PDF |
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