标 准 编 号：DIN 3266-2009 简体中文标题：私人住宅饮用水装置用阀门 D和E型耐真空阀 要求和试验 繁体中文标题：私人住宅饮用水装置用阀门 D和E型耐真空阀 要求和试验 English Name：Valves for drinking water installations on private premises - Anti-vacuum valve Types D and E - Requirements and tests
