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Apparatus for treating a mixture
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Oxalic acid production
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Process for the production of oxalic acid
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GB1243108A
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Manufacturing plastics sheet
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CA944283A
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Apparatus for treating a mixture containing solids and liquid
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FR2058487A5
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Combined batch filter, drier and mixer
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Method of stabilizing sodium hydrosulfite
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Apparatus for treating a mixture
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Process for producing oxalic acid
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Process for removing impurities in the liquid of zinc refining by wet method
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Process for preparing self-condensation products
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Method for chemically dissolving metal
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Preparation of Pyromellitic Acid.
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A Method for Chemically Polishing Copper or Copper Alloy.
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Method for chemically polishing copper or copper alloy
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Method for producing an anhydrous alkali metal hydrosulphite
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Process for the production of anhydrous hydrosulfites
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Process for treating zinc sulphate solutions to remove impurities therefrom
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CA871153A
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Process for the production of oxalic acid
|
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CA916392A
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Method of stabilizing sodium hydrosulfite
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