ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
B61L0023320000 with provision for the blocking of passing sidings 1
B61L0023340000 for indicating the distance between vehicles or vehicle trains by the transmission of signals therebetween 1
B61L0025000000 Recording or indicating positions or identities of vehicles or vehicle trains or setting of track apparatus 1
B61L0025020000 Indicating or recording positions or identities of vehicles or vehicle trains 1
B61L0025040000 Indicating or recording train identities 1
B61L0025060000 Indicating or recording the setting of track apparatus, e.g. of points, of signals 1
B61L0025080000 Diagrammatic displays 1
B61L0027000000 Central traffic control systems 1
B61L0027020000 Manual systems 1
B61L0027040000 Automatic systems, e.g. controlled by train; Change-over to manual control 1
B61L0029000000 Safety means for rail/road crossing traffic 1
B61L0029020000 Guards or obstacles for preventing access to the route (cattle guards connected to the permanent way E01B0017000000) 1
B61L0029040000 Gates for level crossings 1
B61L0029060000 yielding to vehicles in one direction but operated in a different direction 1
B61L0029080000 Operation of gates; Combined operation of gates and signals 1