JAN-M-454 (AMENDMENT-1), JOINT ARM-NAVY SPECIFICATION, MAGNESIUM ALUMINUM ALLOY, POWDERED [SUPERSEDED BY MIL-DTL-454A] (15-FEB-1952)
JAN-M-454 (AMENDMENT-1), JOINT ARM-NAVY SPECIFICATION, MAGNESIUM ALUMINUM ALLOY, POWDERED [SUPERSEDED BY MIL-DTL-454A] (15-FEB-1952).