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JPS62187789A
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Method of automatically controlling coke oven-transfer machine
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JPS62220586A
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Method for desulfurizing methylnaphthalene oil of tar type
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JPS62195375A
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Production of naphthalic anhydride
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JPS62185790A
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Preparation of concentrated coal/water slurry
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JPS62176587A
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Method for removing ammonia in ammonical liquor
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JPS62153233A
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Purification of 2-methylnaphthalene
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JPS62153232A
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Separation of methylnaphthalene
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JPS62149633A
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Purification of naphthalene
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JPS62132992A
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Purification of tar acid
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JPS62132860A
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Recovery of pyridine based base
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JPS62129268A
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Recovery of pyridine base from ammonium sulfate mother liquor
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JPS62129269A
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Method for purifying pyridine base
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JPS62120376A
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Separation and extraction of vapor-phase oxidation product of naphthalene
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JPS6256442A
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Purification of naphthalene
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JPS6251634A
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Method of continuous distillation of crude tar acid
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JPS6253393A
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Production of carbonized coal product
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JPS6253392A
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Method of dry quenching of coke
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JPS6252115A
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Production of spherical carbonized material and activated carbon
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JPS6252114A
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Production of activated carbon having high specific surface area
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JPS6252113A
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Production of activated carbon and activated carbon raw material
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