内燃机车机油滤清器滤芯原始效率试验方法 重量法内燃机车机油滤清器滤芯原始效率试验方法 重量法Testing methods of original efficiency for lubricating oil filter cores of diesel locomotive -- Method of measuring weight
Full-flow lubricating oil filters for internal combustion engines-Methods of test for initial particle retention efficiency, life and cumulative efficiency (gravimetric method)
内燃机用全流量润滑油过滤器 初始颗粒保留效率、寿命和累积效率的试验方法（重量分析法）
1998-03-15
KS R ISO 4548-4(2017 Confirm)
내연 기관용 전류식 윤활유 필터 시험방법－제4부：초기 입자 포집 효율, 수명 및 누적 효율(중량법)
试验方法用于全流式机油滤清器用于内燃发动机的第4部分:初始颗粒截留效率 寿命和累积效率（重量法）
2007-11-30
KS R ISO 4548-4(2022 Confirm)
내연 기관용 전류식 윤활유 필터 시험방법－제4부：초기 입자 포집 효율, 수명 및 누적 효율(중량법)
内燃机全流量润滑油过滤器试验方法第4部分:初始颗粒保留效率、寿命和累积效率（重量法）
2007-11-30
GB/T 8243.4-2003
内燃机全流式机油滤清器试验方法 第4部分: 原始滤清效率、寿命和累积效率（重量法）
Methods of test for full-flow lubricating oil filters for internal combustion engines--Part 4: Initial particle retention efficiency，life and cumulative efficiency(gravimetric method)
2003-04-15
ISO 4548-4-1997
Methods of test for full-flow lubricating oil filters for internal combustion engines — Part 4: Initial particle retention efficiency, life and cumulative efficiency (gravimetric method)
内燃机全流式润滑油滤清器的试验方法第4部分:初始颗粒保留效率、寿命和累积效率（重量分析法）
1997-11-27
BS ISO 4548-12-2017
Methods of test for full-flow lubricating oil filters for internal combustion engines-Filtration efficiency using particle counting and contaminant retention capacity
内燃机全流量润滑油过滤器的试验方法
2017-07-11
KS R ISO 4548-12(2017 Confirm)
내연 기관용 전류식 윤활유 필터 시험 방법 - 제12부 : 입자 계수 방법을 이용한 여과 효율 및 오염 물질 포획 용량
内燃机全流式润滑油过滤器试验方法第12部分:颗粒计数过滤效率和污染物截留能力
2007-12-28
KS R ISO 4548-12
내연 기관용 전류식 윤활유 필터 시험 방법 — 제12부: 입자 계수를 이용한 여과 효율과 오염 물질 포획 용량
内燃机用全流量润滑油过滤器的试验方法.第12部分:使用颗粒计数的过滤效率和污染物保持能力
2022-12-22
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
Methods of test for full-flow lubricating oil filters for internal combustion engines—Part 12: Filtration efficiency using particle counting and contaminant retention capacity
2021-05-21
ISO 4548-12-2017
Methods of test for full-flow lubricating oil filters for internal combustion engines — Part 12: Filtration efficiency using particle counting and contaminant retention capacity
用于内燃机的全流量润滑油过滤器的测试方法 - 第12部分:使用粒子计数的过滤效率和污染物保留能力