GB/T 8243.12-2021内燃机全流式机油滤清器试验方法第12部分:颗粒计数法滤清效率和容灰量标准
英文:Methods of test for full-flow lubricating oil filters for internal combustion engines—Part 12: Filtration efficiency ...
英文:Methods of test for full-flow lubricating oil filters for internal combustion engines—Part 12: Filtration efficiency ...