Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Paul HeidlaufffiledCriticalPaul Heidlauff
Publication of CH2183ApublicationCriticalpatent/CH2183A/de
Un procedimiento para obtener, tanto bajorrelieves para fines decorativos (bisutería, cerámica, impresión en relieve u otros) como fotografías e impresiones con efecto de relieve.