ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
B61L0019020000 Interlocking devices having mechanical or fluid-pressure operation 1
B61L0019040000 Details, e.g. hand lever, back-signalling device 1
B61L0019060000 Interlocking devices having electrical operation 1
B61L0019080000 Special arrangements for power supply for interlocking devices 1
B61L0019100000 with mechanical locks 1
B61L0019120000 Details 1
B61L0019140000 with electrical locks 1
B61L0019160000 Details 1
B61L0021000000 Station blocking between signal boxes in one yard 1
B61L0021020000 Mechanical locking and release of the route; Repeat locks; Coupling of semaphores 1
B61L0021040000 Electrical locking and release of the route; Electrical repeat locks 1
B61L0021060000 Vehicle-on-line indication; Monitoring locking and release of the route 1
B61L0021080000 Order transmission and reception arrangements for giving or withholding permission 1
B61L0021100000 Arrangements for trains which are closely following one another 1
B61L0023000000 Control, warning or like safety means along the route or between vehicles or vehicle trains 1