GB1155416A
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Process for the production of High-Pure Aromatic Hydrocarbons from Cracked Gasoline
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DE1593730A1
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Process for the purification of low olefin gases
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US3456029A
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Process for the purification of lower olefin gases
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Process for the production of trioxane copolymers
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Process for the purification of aromatic hydrocarbons
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US3375066A
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Process for the continuous production of gypsum and iron oxide from waste sulfuric acid pickle liquor and a calcium compound
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US3294857A
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Process for producing high-pure aromatic hydrocarbons
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GB1048294A
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Method and apparatus for producing light weight aggregate by utilizing slag
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US3176023A
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Process for producing trioxane using a cation exchange resin having-so3h radicals
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US3183196A
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Silica-vanadium oxide oxidation catalyst
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