Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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AQUAZONE CORP
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AQUAZONE CORP
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Publication date
Application filed by AQUAZONE CORPfiledCriticalAQUAZONE CORP
Priority to ES85669ApriorityCriticalpatent/ES85669A1/es
Publication of ES85669A1publicationCriticalpatent/ES85669A1/es
ES85669A1923-05-301923-05-30Un procedimiento perfeccionado para la disolución selectiva de gases, por medio del aparato que se describe.
ExpiredES85669A1
(es)
Procedimiento y aparato para la ejecución de los trabajos de teneduría de libros y especialmente de la partida doble por vía mecánica, mediante la máquina de escribir.