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本帖最后由 shiyulin2 于 2024-11-30 11:15 编辑
ISO4406-1999
Hydraulic fluid power- Fluids-Method for coding the level of contamination by solid particles
NAS1638-2011
CLEANLINESS REQUIREMENTS OF PARTS
USED IN HYDRAULIC SYSTEMS
NAS 1638-2011.pdf
(39.06 KB, 下载次数: 46, 售价: 2 金币)
ISO 4406-2021-液压传动 油液 固体颗粒污染等级代号.pdf
(898.16 KB, 下载次数: 0, 售价: 5 金币)
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