Rubber hoses for sand and grit blasting . specification 喷沙和喷粒处理用橡胶软管.规范
2.
Thermal insulation for use in pitched roof spaces in dwellings - specification for man - made mineral fibre thermal insulation in pelleted or granular form for application by blowing 坡屋顶空间隔热.第2部分:喷丸或喷粒人造矿物纤维隔热层规范