← Ishga qaytish
Ushbu ish iqtibos qilgan ishlar
1 ta ish
Ish: Oxidation of brown coal of Angren deposit with a mixture of nitric and sulfuric acids
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Ishlab chiquvchilar uchun
1 ta ish
Ish: Oxidation of brown coal of Angren deposit with a mixture of nitric and sulfuric acids