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 filedfiledCritical
Priority to RO6955672ApriorityCriticalpatent/RO55276A3/ro
Priority to CH732972Aprioritypatent/CH556484A/fr
Priority to DE19722224147prioritypatent/DE2224147A1/de
Priority to DD16307672Aprioritypatent/DD96888A1/xx
Priority to IT2454672Aprioritypatent/IT955646B/it
Publication of RO55276A3publicationCriticalpatent/RO55276A3/ro
