ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
B01D0003140000 Fractional distillation 1
B01D0003160000 Fractionating columns in which vapour bubbles through liquid 1
B01D0003180000 with horizontal bubble plates 1
B01D0003200000 Bubble caps; Risers for vapour; Discharge pipes for liquid 1
B01D0003220000 with horizontal sieve plates or grids; Construction of sieve plates or grids 1
B01D0003240000 with sloping plates or elements mounted stepwise 1
B01D0003260000 Fractionating columns in which vapour and liquid flow pass each other, or in which the fluid is sprayed into the vapour, or in which a two-phase mixture is passed in one direction 1
B01D0003280000 Fractionating columns with surface contact and vertical guides, e.g. film action 1
B01D0003300000 Fractionating columns with movable parts or in which centrifugal movement is caused 1
B01D0003320000 Other features of fractionating columns 1
B01D0003340000 with one or more auxiliary substances 1
B01D0003360000 Azeotropic distillation 1
B01D0003380000 Steam distillation 1
B01D0003400000 Extractive distillation 1
B01D0003420000 Regulation; Control 1