US2755607A - Coated abrasives - Google Patents
US2755607A US358656A US35865653A US2755607A US 2755607 A US2755607 A US 2755607A US 358656 A US358656 A US 358656A US 35865653 A US35865653 A US 35865653A US 2755607 A US2755607 A US 2755607A Authority US United States Prior art keywords abrasive coat coated adhesive grain Prior art date 1953-06-01 Legal status (The …
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