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
CA829672A
Inventor
Bertoglio Guido
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.)
Centra Anstalt Vaduz Liechtenstein
Original Assignee
Centra Anstalt Vaduz Liechtenstein
Publication date
Application grantedgrantedCritical
Publication of CA829672ApublicationCriticalpatent/CA829672A/en