ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
D21C0009140000 with ClO; 2 or chlorites 1
D21C0009147000 with oxygen or its allotropic modifications (D21C0009160000 takes precedence);; 1
D21C0009153000 with ozone 1
D21C0009160000 with per compounds 1
D21C0009180000 De-watering 1
D21C0011000000 Regeneration of pulp liquors 1
D21C0011020000 of sulfite lye 1
D21C0011040000 of alkali lye 1
D21C0011060000 Treatment of pulp gases; Recovery of the heat content of the gases 1
D21C0011080000 Deodorisation 1
D21C0011100000 Concentrating spent liquor by evaporation 1
D21C0011120000 Combustion of pulp liquors 1
D21C0011140000 Wet combustion 1
D21D TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE 1
D21D0001000000 Methods of beating or refining; Beaters of the Hollander type 1