BS Z 10:1998
Space data and information transfer systems. Standard formatted data units. Control Authority data structures
standard by BSI Group, 07/15/1998
BS 13328-1:1998
Breathing system filters - Part 1: Test method for mono-dispersed microbial challenge to assess filtration performance
standard by BSI Group, 08/01/1998
BS 98/713242 DC
Aerospace series. Aluminium and aluminium alloy wrought products. Technical specification. Part 1. Plate (prEN 4400-1)
standard by BSI Group, 08/06/1998
BS 98/711905 DC
Hydraulic fluid power. Valves. Determination of pressure differential/flow characteristics (ISO/CD 4411)
standard by BSI Group, 08/06/1998