GB/T 23127-2020与水源连接的电器避免虹吸和软管组件失效标准
英文:Electric appliances connected to the water mains—Avoidance of backsiphonage and failure of hose-sets GB/T 23127-2020介...
英文:Electric appliances connected to the water mains—Avoidance of backsiphonage and failure of hose-sets GB/T 23127-2020介...