KS M ISO 12986-2-2021 Carbonaceous materials used in the production of aluminium－Prebaked anodes and cathode blocks－Part 2：Determination of flexural strength by the foru-point method
2021KS M ISO 12986-2-2021 Carbonaceous materials used in the production of aluminium－Prebaked anodes and cathode blocks－Part 2：Determination of flexural strength by the foru-point method
2016KS M ISO 12986-2:2016 Carbonaceous materials used in the production of aluminium－Prebaked anodes and cathode blocks－Part 2：Determination of flexural strength by the foru-point method
2011KS M ISO 12986-2:2011 Carbonaceous materials used in the production of aluminium-Prebaked anodes and cathode blocks-Part 2:Determination of flexural strength by the foru-point method