Tekanyetso e ncha ea indasteri ea li-valve tsa khase e lumellana le litlhoko tsa GB/T8464-2023
Ho latela litaba tse phatlalalitsoeng ke General Administration of Quality Supervision, Inspection and Quarantine, boemo bo bocha ba indasteri ea li-valve tsa khase bo se bo kentsoe tšebetsong ka molao ka 2023.
lintlha tsa pono