301 ABNT NBR 14653-4-2002 2002-12-30 Portuguese Assets appraisal Part 4: Business 302 ABNT NBR 14255-2002 2002-12-30 Portuguese Paper and board - Determination of air permeance - Bendtsen method 303 ABNT NBR NM 47-2002 2002-12-30 Spanish Concrete - Determination of air content of freshly...