General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 20962-2007
Scope
This standard specifies the basic dimensions, tolerances and markings of abrasive discs. This standard is applicable to disc-shaped coated abrasives made by bonding abrasive sheets cut into a certain shape with an adhesive on a metal or non-metal material substrate.
GB/T 20962-2007 Referenced Document
ISO 554:1976 Standard atmospheres for conditioning and/or testing; Specifications