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DE519443C
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Process for the preparation of alkali metal compounds of the monohydric alcohols
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DE567013C
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Process for the preparation of acetone from acetylation precipitate liquids
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DE479389C
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Device for cleaning and degreasing metal objects
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DE486849C
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Process for the formation of heavy metal salt precipitates for plant protection
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DE474825C
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Device for degreasing metal goods
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DE538238C
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Seed dressings
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DE409948C
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Process for the preparation of oxalic acid
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DE379512C
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Process for the production of pure aluminum salts
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DE361439C
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Process for the regeneration of mercury sludge
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DE372528C
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Process for the preparation of acetic anhydride and ethylidene diacetate
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DE373368C
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Process for processing mercury sludge or mercury on mercury salts
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DE376795C
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Process for the conversion of mercury into its salts
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