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 Venjukovsky Armaturny ZfiledCriticalVenjukovsky Armaturny Z
Priority to AT28574ApriorityCriticalpatent/AT332009B/en
Publication of ATA28574ApublicationCriticalpatent/ATA28574A/en
Application grantedgrantedCritical
Publication of AT332009BpublicationCriticalpatent/AT332009B/en