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| - Knolik |
acid proof alloysacid proof alloys defined in 1909 yearacid 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. near acid proof alloys in Knolik
definition of word "acid proof alloys" was readed 340 times |
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