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 Institutul Politehnic,RofiledCriticalInstitutul Politehnic,Ro
Priority to RO7373423ApriorityCriticalpatent/RO69704A2/en
Publication of RO69704A2publicationCriticalpatent/RO69704A2/en
RO7373423A1973-01-061973-01-06
PROVISIONAL BUILDING RING FOR PRESET FRAME STRUCTURE, FOR ASSEMBLY OF PRECOMPRESSED CONCRETE ELEMENTS AND METHOD OF USE
RO69704A2
(en)