发明授权
US06863596B2 Abrasive article 有权
磨料制品

Abrasive article
摘要:
Abrasive article including a backing plate. Backing plate has a first major surface and a second opposite major surface. A central aperture extends through backing plate. An abrasive layer is secured to the first major surface of backing plate. A fastener is press fit to backing plate so as to define the central aperture.
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