PPP-B-640D (AMENDMENT 1), FEDERAL SPECIFICATION: BOXES, FIBERBOARD, CORRUGATED, TRIPLE WALL (07 AUG 1969) [S/S BY ASTM-D5168]
PPP-B-640D (AMENDMENT 1), FEDERAL SPECIFICATION: BOXES, FIBERBOARD, CORRUGATED, TRIPLE WALL (07 AUG 1969) [S/S BY ASTM-D5168].