2023YY 0499-2023 Anesthesia and respiratory equipment Laryngoscope for tracheal intubation
2004YY 0498.2-2004 Laryngoscopic fittings-Part 2:Miniature electric lamps-Screw threads and sockets for conventional blades
1985YY 91063-1999 Laryngoscopic fittings Lamp base and socket
YY 91063-1999 Laryngoscopic fittings Lamp base and socket was changed to YY 0498.2-2004 Laryngoscopic fittings-Part 2:Miniature electric lamps-Screw threads and sockets for conventional blades.