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 Messer Griesheim GmbhfiledCriticalMesser Griesheim Gmbh
Priority to IT28690/78ApriorityCriticalpatent/IT1100666B/en
Publication of IT7828690A0publicationCriticalpatent/IT7828690A0/en
Application grantedgrantedCritical
Publication of IT1100666BpublicationCriticalpatent/IT1100666B/en