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.)
Freeport Minerals Corp
Original Assignee
Phelps Dodge Corp
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 Phelps Dodge CorpfiledCriticalPhelps Dodge Corp
Priority to ES355101ApriorityCriticalpatent/ES355101A1/en
Publication of ES355101A1publicationCriticalpatent/ES355101A1/en
Vacuum treatment apparatus comprising liquid transmission elements, said transmission elements including a barometric feed path and a reservoir, each transmission element being defined, at least partially, by a surface of a generally solid homogeneous block. (Machine-translation by Google Translate, not legally binding)
ES355101A1968-06-171968-06-17Apparatus of treatment by vacuum. (Machine-translation by Google Translate, not legally binding)
ExpiredES355101A1
(en)