Navy Department specifications. 46R7. Rods, welding, aluminum and aluminum-alloy (for gas welding) [dated June 15, 1945], cancellation notice [effective July 30, 1951].
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Rods, welding, aluminum and aluminum-alloy (for gas welding) [dated June 15, 1945], cancellation notice [effective July 30, 1951].
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Navy Department specifications. 46R7. Rods, welding, aluminum and aluminum-alloy (for gas welding) [dated June 15, 1945], cancellation notice [effective July 30, 1951].