UU-P-31B, FEDERAL SPECIFICATION: PAPER; GENERAL SPECIFICATIONS AND METHODS OF TESTING (03 MAR 1949) [SEE NOTICE 1 FOR EQUIVALENT REPLACEMENTS]
UU-P-31B, FEDERAL SPECIFICATION: PAPER; GENERAL SPECIFICATIONS AND METHODS OF TESTING (03 MAR 1949) [SEE NOTICE 1 FOR EQUIVALENT REPLACEMENTS]., This specification covers the general requirements and methods of testing that are common to paper, paperboard, and converted paper products covered by Federal specifications.