辽 宁 省 地 方 标 准DB21ⅩⅩ━2024JⅩⅩⅩⅩ━2024金属、塑料及复合材料分集水器Mental,plastic and Compound material manifold (一稿)2024━ⅩⅩ━ⅩⅩ 发布 2024━ⅩⅩ━ⅩⅩ 实施辽宁省住房和城乡建设厅 联合发布辽宁省质量技术监督局目 次1 范围...........................................................................x2 法律规范性引用文件 ..............................................................x3 术语和定义.....................................................................x4 分类与标记.....................................................................x4.1 产品分类材料..................................................................x4.2 产品标记......................................................................x4.3 标记示例......................................................................x5 要求..............................................................................x5.1 外观..........................................................................x 5.2 材料..........................................................................x结构尺寸......................................................................x性能......................