DIN 4753-4-2011 饮用水所用热水器,水加热装置和贮水式热水器.第4部分:采用高温固化树脂水槽衬里作触水面的防腐保护
Water heaters, water heating installations and storage water heaters for drinking water - Part 4: Corrosion protection on the water side by means of hot-setting resin-bonded tank linings