ICS13.100CCSC6544广东省地方标准DB44/T2480—2024铝及铝合金深井铸造安全技术规范Safetytechnicalspecificationfordeepwellcastingofaluminumandaluminumalloy2024-03-07发布2024-06-07实施广东省市场监督管理局发布DB44/T2480—2024I目次前言.................................................................................II引言................................................
