ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
D21H0027380000 at least one of the sheets having a fibrous composition differing from that of other sheets 1
D21H0027400000 at least one of the sheets being non-planar, e.g. crêped (creping or corrugating paper B31F) 1
D21H0027420000 comprising dry-laid paper 1
D21J FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MÂCHÉ (manufacture of articles by dry processes B27N) 1
D21J0001000000 Fibreboard (preparation of pulp compositions or addition of chemical agents D21B, D21C, D21H; formation of the wet web D21F) 1
D21J0001020000 Cutting, e.g. using wet saws 1
D21J0001040000 Pressing 1
D21J0001060000 Drying 1
D21J0001080000 Impregnated or coated fibreboard 1
D21J0001100000 After-treatment 1
D21J0001120000 Hardening 1
D21J0001140000 Conditioning 1
D21J0001160000 Special fibreboard 1
D21J0001180000 Hardboard 1
D21J0001200000 Insulating board 1