ICS 75.140CCS E 42中华人民共和国石油化工行业标准NB/SH/T 0417—2024代替NB/SH/T 0417—2013轻质液体石蜡Light liquid paraffin wax2024-12-25 发布2025-06-25 实施NB/SH/T 0417—2024I目 次前言····················································································... 上一篇:NB/SH/T 0586-2024 工业闭式齿轮油换油指标下一篇:NB/SH/T 0233-2024 液化石油气采样法