QQ-C-525B (NOTICE 1), FEDERAL SPECIFICATION: COPPER ALLOY INGOTS (LEADED AND NONLEADED TIN BRONZE, RED BRASS, AND SEMI-RED BRASS) (3 APR 1991) [S/S BY ASTM-B30]

QQ-C-525B (NOTICE 1), FEDERAL SPECIFICATION: COPPER ALLOY INGOTS (LEADED AND NONLEADED TIN BRONZE, RED BRASS, AND SEMI-RED BRASS) (3 APR 1991) [S/S BY ASTM-B30].