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ES1849000461A1849-08-101849-08-10Metodo de hacer el gas hidrogeno extraido del agua pura, para alumbrar, calentar, etc. sin humo, olor, ni riesgos etc.
ExpiredES461H1
(es)
Un aparato para la fabricación automática del gas ácido cianhídrico destinado a la extinción de las plagas del campo, el cual se denominará "Cianogeneratriz".
Metodo para la obtencion de arseniatos, aplicable a anhidridos arseniosos que contengan mercurio, por oxidacion de los arseniatos mediante el gas cloro