MIL-P-24249 (AMENDMENT 1), MILITARY SPECIFICATION: PLASTIC MATERIAL, CELLULAR POLYURETHANE, RIGID, VOID FILLER, FOAM-IN-PLACE, LARGE SCALE AND INSTALLATION OF (06 NOV 1967)
MIL-P-24249 (AMENDMENT 1), MILITARY SPECIFICATION: PLASTIC MATERIAL, CELLULAR POLYURETHANE, RIGID, VOID FILLER, FOAM-IN-PLACE, LARGE SCALE AND INSTALLATION OF (06 NOV 1967).