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Use of calcium carbide in order to replace the ordinary means of a dressing, dehairing, and swelling of the skins in tannery and mégisserie, as well as to retain the adhesive materials intended for the manufacture of the gelatin
Use of calcium carbide in order to replace the ordinary means of a dressing, dehairing, and swelling of the skins in tannery and mégisserie, as well as to retain the adhesive materials intended for the manufacture of the gelatin
