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 Otto Dr. RohmfiledCriticalOtto Dr. Rohm
Priority to GR250100881ApriorityCriticalpatent/GR881B/el
Publication of GR881BpublicationCriticalpatent/GR881B/el