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Developing a 7.5 liter drinking water bottle vending machine for industrial zone
The operating principle of the mechanism is completely new and can be applied to other vending machines in the future. The 7.5-liter drinking water bottle vending machines solved drinking water problems for workers because it helps them reduce costs, time and effort
22 p hcmute 11/05/2018 384 3
Từ khóa: Vending machine, 7.5 liter drinking water bottle, industrial zone