ICS91.140.90CCSQ7844广东省地方标准DB44/2530—2024在用自动扶梯和自动人行道重要部件报废技术条件Specificationfordiscardofthekeypartsofexistingescalatorsandmovingwalks2024-07-03发布2024-07-03实施广东省市场监督管理局发布DB44/2530—2024I目次前言.................................................................................II1范围..................................
