2-naphthol - ukunqunywa kokuqukethwe kwamanzi GB/T 1646-2012 2-naphthol Ububanzi baleli zinga bucacisa izidingo, amasampula, izindlela zokuhlola, imithetho yokuhlola, kanye nokumaka, ukulebula, ukupakisha, ukuthuthwa nokugcinwa kwe-2-naphthol . Leli zinga lisebenza ku-qua...
Funda kabanzi