Ceramic Pebbles As Grinding Media In Frac Sand

Ceramic Pebbles As Grinding Media In Frac Sand

US3486706A US3486706DA US3486706A US 3486706 A US3486706 A US 3486706A US 3486706D A US3486706D A US 3486706DA US 3486706 A US3486706 A US 3486706A Authority US United States Prior art keywords spheroids media ceramic firing feldspar Prior art date 1967-02-10 Legal status The legal status is an assumption and is not a legal conclusion.

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