QQ-M-31B, FEDERAL SPECIFICATION: MAGNESIUM ALLOY BARS, RODS, AND SPECIAL SHAPED SECTIONS, EXTRUDED (30 JUL 1990) [S/S BY ASTM-B107]
QQ-M-31B, FEDERAL SPECIFICATION: MAGNESIUM ALLOY BARS, RODS, AND SPECIAL SHAPED SECTIONS, EXTRUDED (30 JUL 1990) [S/S BY ASTM-B107].