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
Priority claimed from CH1233773Aexternal-prioritypatent/CH575610A5/xx
Application filed by Zelacolor SystfiledCriticalZelacolor Syst
Publication of MX151237ApublicationCriticalpatent/MX151237A/es