ICS 53.020.99CCS J 80中华人民共和国国家标准GB/T 27697—2024代替 GB/T 27697—2011立式油压千斤顶Hydraulic bottle jacks2024-11-28 发布2025-06-01 实施国家市场监督管理总局国家标准化管理委员会发 布目　　次前言 ··········································································...