EN ISO 12922:2012
润滑油,工业油和相关产品类(L)-家庭H(液压系统)规格液压流体类别HFAE,HFAS,HFB,HF
Lubricants, industrial oils and related products (class L) - Family H (Hydraulic systems) - Specifications for hydraulic fluids in categories HFAE, HFAS, HFB, HFC, HFDR and HFDU (ISO 12922:2012)