标 准 编 号：EN 13828-2003 简体中文标题：建筑物阀门 建筑物中饮用水供水用手动铜合金及不锈钢球阀 试验和要求(中文版) 繁体中文标题：建筑物阀门 建筑物中饮用水供水用手动铜合金及不锈钢球阀 试验和要求(中文版) English name ：Building valves - Manually operated copper alloy and stainless steel ball valves for potable water supply in buildings - Test and requirements
