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 Inst Cercetari ConstructifiledCriticalInst Cercetari Constructi
Priority to RO78511ApriorityCriticalpatent/RO69443A2/ro
Publication of RO69443A2publicationCriticalpatent/RO69443A2/ro