Ductile iron pipes, fittings, accessories and their joints - External zinc-based coating-Part 2: Zinc-rich paint
球墨铸铁管、配件、附件及其接头.外部锌基涂层

2017-09-30

Ductile iron pipes, fittings, accessories and their joints — External zinc-based coating — Part 2: Zinc-rich paint
球墨铸铁管 配件 配件和阀门 - 外部锌基涂层 - 第2部分:镀锌层

2017-07-25