Takes account of changed requirements for demand oxygen systems generated by the improved performance of civil and military aircraft, and ensures that oxygen mask assemblies meet the requirements of the user and the aircraft demand system.
BS 2N 1:1990
Original price was: $264.16.$132.00Current price is: $132.00.
Specification for oro-nasal oxygen mask assemblies for use in demand systems
BSI Group , 08/31/1990
Pages: 12
