BS EN ISO 11126-9:2004(2005)*BS 7079-F9:2004 涂装油漆和相关产品前钢基材的制备 — 非金属喷砂清理磨料规范 第9部分:十字石
Preparation of steel substrates before application of paints and related products — Specification for non - metallic blast - cleaning abrasives — Part 9 : Staurolite