L-P-389A (AMENDMENT 1), FEDERAL SPECIFICATION: PLASTIC MOLDING MATERIAL, FEP FLUOROCARBON, MOLDING & EXTRUSION (11 FEB 1965) [S/S BY ASTM-D2116-81]
L-P-389A (AMENDMENT 1), FEDERAL SPECIFICATION: PLASTIC MOLDING MATERIAL, FEP FLUOROCARBON, MOLDING & EXTRUSION (11 FEB 1965) [S/S BY ASTM-D2116-81].