ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
H02M0007700000 using discharge tubes without control electrode or semiconductor devices without control electrode 1
H02M0007720000 using discharge tubes with control electrode or semiconductor devices with control electrode 1
H02M0007750000 using devices of a thyratron or thyristor type requiring extinguishing means (H02M0007770000 takes precedence);; 1
H02M0007753000 using discharge tubes only 1
H02M0007757000 using semiconductor devices only 1
H02M0007758000 with automatic control of output waveform or frequency 1
H02M0007770000 arranged for operation in parallel 1
H02M0007790000 using devices of a triode or transistor type requiring continuous application of a control signal (H02M0007810000 takes precedence);; 1
H02M0007793000 using discharge tubes only 1
H02M0007797000 using semiconductor devices only 1
H02M0007810000 arranged for operation in parallel 1
H02M0007820000 using open-spark devices, e.g. Marx rectifier 1
H02M0007840000 using electrolytic rectifiers 1
H02M0007860000 by dynamic converters 1
H02M0007880000 using mechanical parts to select progressively or to vary continuously the input potential 1