L-P-509A (AMENDMENT 1), FEDERAL SPECIFICATION: PLASTIC SHEET, ROD AND TUBE, LAMINATED, THERMOSETTING (17 OCT 1967) [S/S BY ASTM-D709]
L-P-509A (AMENDMENT 1), FEDERAL SPECIFICATION: PLASTIC SHEET, ROD AND TUBE, LAMINATED, THERMOSETTING (17 OCT 1967) [S/S BY ASTM-D709].