METHOD FOR CHANGING UPPER AND LOWER POSITION OF FERMENTABLE MATERIAL IN FERMENTATION TANK AND CHANGING DEVICE THEREFOR
PURPOSE:To change vertical position of a fermentable material without accompanying heavy labor by providing a device for vertically operating an vertical shaft for turning having a helical wing structure. CONSTITUTION:A car 3 is put on a rail 2 laid outside of both the side wall faces of a fermentat...
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