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|---|
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| 07/337772 | CATALYTIC CRACKING CATALYST CONTAINING DIATOMACEOUS EARTH | Apr 12, 1989 | Abandoned |
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| 07/332138 | DRYING FINE COAL IN A FLUIDIZED BED | Apr 2, 1989 | Abandoned |
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| 07/332579 | SEPARABLE COAL-IN-OIL MIXTURES HAVING CONTROLLED SEDIMENTATION PROPERTIES AND METHOD FOR MAKING SAME | Mar 30, 1989 | Abandoned |
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