Legal status (The legal status 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 status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MIN DOPRAVY VYZKUMNY USTAV DOP
Original Assignee
MIN DOPRAVY VYZKUMNY USTAV DOP
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 MIN DOPRAVY VYZKUMNY USTAV DOPfiledCriticalMIN DOPRAVY VYZKUMNY USTAV DOP
Priority to FR820056ApriorityCriticalpatent/FR1254041A/fr
Application grantedgrantedCritical
Publication of FR1254041ApublicationCriticalpatent/FR1254041A/fr