ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
F04B0049100000 Other safety measures 1
F04B0049120000 by varying the length of stroke of the working members 1
F04B0049140000 Adjusting abutments located in the path of reciprocation 1
F04B0049160000 by adjusting the capacity of dead spaces of working chambers 1
F04B0049180000 by changing the effective cross-section of the working surface of the piston 1
F04B0049200000 by changing the driving speed (controlled electrically F04B0049060000) 1
F04B0049220000 by means of valves (F04B0049030000 takes precedence);; 1
F04B0049240000 Bypassing 1
F04B0051000000 Testing machines, pumps, or pumping installations 1
F04B0053000000 Component parts, details or accessories not provided for in, or of interest apart from, groups ; F04B0001000000-F04B0023000000; or F04B0039000000-F04B0047000000 1
F04B0053020000 Packing the free space between cylinders and pistons 1
F04B0053040000 Draining 1
F04B0053060000 Venting 1
F04B0053080000 Cooling (of machines or engines in general F01P); Heating; Preventing freezing 1
F04B0053100000 Valves; Arrangement of valves 1