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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".
Procedimiento para la obtención de sustancias de forma gaseosa o de vapor de mezclas que contienen gas, vapor o ambos, mediante fijación a medios de absorción.