Metalworking Fluids and Industrial Lubricants in Metallurgy, Metal Processing and Machine-Building 2017 September 27, 2017 ๐บ๐ธ translate article ๐จ๐ณ ๐ฒ๐พ ๐น๐ญ ๐ฎ๐ฉ ๐ฏ๐ต ๐ต๐ซ ๐ช๐ธ ๐ฎ๐น ๐ฉ๐ช ๐ต๐น ๐ท๐บ ๐ฆ๐ช ๐ฎ๐ณ Start Date:October 10, 2017 Timezoone:HKT