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Publication of BE709459ApublicationCriticalpatent/BE709459A/xx
B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
B02C23/24—Passing gas through crushing or disintegrating zone
B02C23/32—Passing gas through crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone