
Ductile iron pipes, fittings, accessories and valves - External zinc-based coatings Part 2: Zinc-rich paint coating with finishing layer
出版:International Organization for Standardization

专家解读视频
Ductile iron pipes, fittings, accessories and valves - External zinc-based coatings Part 2: Zinc-rich paint coating with finishing layer
出版:International Organization for Standardization
专家解读视频