ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
D21D0005200000 in apparatus with a horizontal axis 1
D21D0005220000 in apparatus with a vertical axis 1
D21D0005240000 in cyclones 1
D21D0005260000 De-aeration of paper stock 1
D21D0005280000 Tanks for storing or agitating pulp 1
D21D0099000000 Subject matter not provided for in other groups of this subclass 1
D21F PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON 1
D21F0001000000 Wet end of machines for making continuous webs of paper 1
D21F0001020000 Head boxes of Fourdrinier machines 1
D21F0001040000 Head boxes of cylinder machines 1
D21F0001060000 Regulating pulp flow 1
D21F0001080000 Regulating consistency 1
D21F0001100000 Wire-cloths 1
D21F0001120000 Seams thereof 1
D21F0001140000 welded 1