| http://www.w3.org/ns/prov#value | - At this time, it would appear to be noteworthy that regardless of the geometrical configuration of the subject abrasive device, a key element therein is the matrix or wool configuration of the aluminum or other metal incorporated therein; and when such key abrasive matrix of aluminum material is uniquely combined with the aforesaid polyether type elastomeric polyurethane binder material, a new and
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