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
CA853669A
Inventor
Klockars Ralf-Erik
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.)
Rikkihappo Oy
Original Assignee
Rikkihappo Oy
Publication date
Application grantedgrantedCritical
Publication of CA853669ApublicationCriticalpatent/CA853669A/en