耐火材料 抗碱性试验方法
Refractory products-Determination of alkali-resistance
Refractory products-Determination of alkali-resistance
Fireclay refractory mortars
Seamless stainless steel pipes for fluid transport
Seamless stainless steel tubes for structure
Technical requirements and measurement methods of infrared remote control radiation unit for television broadcast receivers
Steel wires for melt welding
Ferroalloys-Vocabulary-Part 1:Materials
General requirement for surface condition of hot-rolled steel plates
Iron-cobalt-vanadium permanent-magnet alloys
Hysteresis alloy