ข้อมูลFibrous raw materials or their mechanical treatment (pretreatment of the finely-divided materials before digesting D21C0001000000; methods of beating or refining pulp D21D0001000000; purification of the pulp suspension by mechanical means D21D0005000000)

เวอร์ชั่นข้อมูล

เวอร์ชั่น รหัส / code คำอธิบาย / code name เครื่องมือ
1 D21B0001000000 Fibrous raw materials or their mechanical treatment (pretreatment of the finely-divided materials before digesting D21C0001000000; methods of beating or refining pulp D21D0001000000; purification of the pulp suspension by mechanical means D21D0005000000) 29/09/2562