ICS 75.100CCS E 34中华人民共和国石油化工行业标准NB/SH/T 0586—2024代替SH/T 0586—2010工业闭式齿轮油换油指标Criteria for changing oil of enclosed industrial gear oil2024-12-25 发布2025-06-25 实施NB/SH/T 0586—2024I目 次前言·································································...

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