ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
F04D0017000000 Rotary pumps specially adapted for; elastic fluids 1
F04D0017000000 Radial-flow pumps specially adapted for elastic fluids, e.g. centrifugal pumps; Helico-centrifugal pumps specially adapted for elastic fluids (F04D0021000000 takes precedence);; 1
F04D0017020000 having non-centrifugal stages, e.g. centripetal 1
F04D0017040000 of transverse-flow type 1
F04D0017060000 Helico-centrifugal pumps 1
F04D0017080000 Centrifugal pumps 1
F04D0017100000 for compressing or evacuating 1
F04D0017120000 Multi-stage pumps 1
F04D0017140000 with means for changing the flow-path through the stages, e.g. series/parallel (surge control F04D0027020000) 1
F04D0017160000 for displacing without appreciable compression 1
F04D0017180000 characterised by use of centrifugal force of liquids entrained in pumps 1
F04D0019000000 Axial-flow pumps specially adapted for elastic fluids (F04D0021000000 takes precedence);; 1
F04D0019020000 Multi-stage pumps 1
F04D0019040000 specially adapted to the production of a high vacuum, e.g. molecular pumps 1
F04D0021000000 Pumps specially adapted for elastic fluids involving supersonic speed of pumped fluids 1