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.)
Expired
Application number
CA732527A
Inventor
A. Rausing Gad
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.)
TETRA AB
Original Assignee
TETRA AB
Publication date
Application grantedgrantedCritical
Publication of CA732527ApublicationCriticalpatent/CA732527A/en