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US1599493A
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Production of tetrazoles
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US1637661A
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Production of organic compounds
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GB225824A
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A process for the preparation of dihydrocodeinone from thebaine
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DE439041C
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Process for the preparation of tetrazoles
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DE407895C
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Process for the production of elastic medicament tablets
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DE403463C
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Device for filling ampoules and glasses
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DE410055C
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Process for the production of double compounds from dimethylxanthines and alkaline earth salicylates
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DE399903C
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Process for the preparation of salts of dymethylxanthines with organic acids
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DE380919C
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Process for the preparation of keto derivatives of the morphine series
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DE339613C
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Process for the preparation of tannic acid compounds of digitalis glycosides
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DE346672C
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Process for the preparation of easily soluble cellulose esters
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US862857A
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Santalol carbonate.
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US862858A
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Insipid sandalwood-oil preparations.
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GB190022328A
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Manufacture of Biacetate of Anthrapurpurin.
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GB189718178A
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Improvements in the Manufacture of Antiseptic Substances.
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GB189711344A
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Manufacture of Compounds of Ichthyol.
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GB189613281A
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Improvements in the Manufacture of Production of an Albumentannin Compound.
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GB189606410A
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Improvements in the Manufacture or Production of an Albumentannin Compound.
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