Apparatus, calibration, reporting, procedure.

BS 2925:1958
Original price was: $264.16.$132.00Current price is: $132.00.
Methods for determining the air permeability of paper
BSI Group , 03/31/1980

Original price was: $264.16.$132.00Current price is: $132.00.
Methods for determining the air permeability of paper
BSI Group , 03/31/1980