2016CJ/T 507-2016 Peripheral drive thickener for gravity sludge thickening tank
1996CJ/T 3043-1995 The scraper with peripheral drive forgravitational sludge concentration tank
CJ/T 3043-1995 The scraper with peripheral drive forgravitational sludge concentration tank was changed to CJ/T 507-2016 Peripheral drive thickener for gravity sludge thickening tank.