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acid proof alloysЗначение термина acid proof alloys в knolikacid proof alloys - Acid Proof Alloys acid proof alloys - The following Acid Proof Alloys have a yellow colour: (a) Copper, 53; zinc, 42; manganese, 3¾ aluminium, 1¼. (6) Copper, 70; lead, 20; tin, 3; antimony, 7, (c) Gun metal - Copper, 75; lead, 15; tin, 9.9; phosphorus, 0.1. (d) Gun metal - Copper, 88; lead, 10; tin, 2. Рядом со словом acid proof alloys в knolik
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