BS EN 16139:2013EN 16139:2013 (E)
C.4.2 Seat depth [b]
The seat depth [b] should be determined in accordance with EN 1335-1:2000, 6.2.
C.4.3 Seat width [d]
The seat width [d] should be determined in accordance with EN 1335-1:2000, 6.4.
C.4.4 Distance between arm rests [r]
The distance between armrests [r] should be determined in accordance with EN 1335-1:2000, 6.16.
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