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Class Information
Number: 51/8A
Name: Abrasive tool making process, material, or composition >
Description:


Sub-classes under this class:

Class Number Class Name Patents
51/293 Miscellaneous 691
51/294 Bag or filled cloth 38
51/295 Impregnating or coating an abrasive tool 963
51/296 Pore forming 127
51/297 Laminating 220
51/298 With synthetic resin 842
51/299 With rubber or reaction product thereof 42
51/300 With natural resin or reaction product thereof 17
51/301 With protein or reaction product thereof 11
51/302 With carbohydrate or reaction product thereof 25
51/304 With fats, fatty oils or fatty oil acids and salts thereof 44
51/305 With ester-type wax, bituminous material, or tarry residue 17
51/306 With hydrocarbon 72
51/307 With inorganic material 1,325


Patents under this class:

Patent Number Title Of Patent Date Issued



 
 
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