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 Galli Rosaria & CfiledCriticalGalli Rosaria & C
Priority to IT8912528ApriorityCriticalpatent/IT1232646B/en
Publication of IT8912528A0publicationCriticalpatent/IT8912528A0/en
Application grantedgrantedCritical
Publication of IT1232646BpublicationCriticalpatent/IT1232646B/en
IT8912528A1989-06-221989-06-22
DEVICE FOR COMPRESSED TECHNICAL GAS CYLINDERS SUITABLE TO PREVENT THE COMPLETE EMPTYING OF THE CYLINDERS IN USE
IT1232646B
(en)