Pipe Joints and Anchor Fittings for Underground Fire Service Mains
地下消防总管用管接头和锚配件
发布日期:
1975-04-01
本标准涵盖地下消防总管中使用的灰铸铁、球墨铸铁和石棉水泥管接头和锚配件
This standard covers cast grey iron, ductile iron and asbestos-cement pipe joints and anchor fittings that are used in underground fire protection service mains