HH-I-1972/GEN (AMENDMENT 1), FEDERAL SPECIFICATION: INSULATION BOARD, THERMAL, FACED, POLYURETHANE OR POLYISOCYANURATE (03 OCT 1985) [S/S BY ASTM-C1289]
HH-I-1972/GEN (AMENDMENT 1), FEDERAL SPECIFICATION: INSULATION BOARD, THERMAL, FACED, POLYURETHANE OR POLYISOCYANURATE (03 OCT 1985) [S/S BY ASTM-C1289].