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Hurry & Seamans Patents Ltd
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Hurry & Seamans Patents Ltd
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ES28559A1901-09-251901-09-25Mejoras en el procedimiento para la fabricación de cemento de portland por medio del aparato que se describe.
ExpiredES28559A3
(es)
Un procedimiento para la fabricación mecánica de cuerpos huecos de vidrio o cristal especialmente de cilindros de hojas de vidrio o cristal por medio del aparato que se describe.