[国外标准] BS ISO 11712-2009 Anaesthetic and respiratory equipment — Supralaryngeal airways and connectors
[国外标准] BS EN 1281-2-1996 Anaesthetic and respiratory equipment — Conical connectors — Part 2 Screw-threaded
[国外标准] BS EN 1281-1-1997 Anaesthetic and respiratory equipment. Conical connectors. Cones and sockets.