ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
B01D0053920000 of engine exhaust gases (exhaust apparatus having means for purifying or otherwise treating exhaust gases F01N0003000000) 1
B01D0053940000 by catalytic processes 1
B01D0053960000 Regeneration, reactivation or recycling of reactants 1
B01D0057000000 Separation, other than separation of solids, not fully covered by a single other group or subclass, e.g. ; B03C 1
B01D0057020000 by electrophoresis 1
B01D0059000000 Separation of different isotopes of the same chemical element 1
B01D0059020000 Separation by phase transition 1
B01D0059040000 by distillation 1
B01D0059060000 by fractional melting; by zone melting 1
B01D0059080000 by fractional crystallisation, by precipitation, by zone freezing 1
B01D0059100000 Separation by diffusion 1
B01D0059120000 by diffusion through barriers 1
B01D0059140000 Construction of the barrier 1
B01D0059160000 by thermal diffusion 1
B01D0059180000 by separation jets 1