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Abrasive tool making process, material, or composition

Subclass of: 051 - Abrasive tool making process, material, or composition

Deeper subclasses:

051295000 - IMPREGNATING OR COATING AN ABRASIVE TOOL (20)
051296000 - PORE FORMING (1)
051297000 - LAMINATING (3)
051298000 - WITH SYNTHETIC RESIN (23)
051306000 - WITH HYDROCARBON (1)
051307000 - WITH INORGANIC MATERIAL (50)
051293000 - MISCELLANEOUS (1)