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.)
Individual
Original Assignee
Individual
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 IndividualfiledCriticalIndividual
Priority to ES347292ApriorityCriticalpatent/ES347292A1/es
Publication of ES347292A1publicationCriticalpatent/ES347292A1/es
Sammenbygget ventil til lukkede beholdere, der kun tåler begrænsede over- og undertryk, og indeholdende en trykventil og en vakuumventil samt en kontraventil for tilledning af luft til beholderen.