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
CA842774A
Inventor
Hofmann Hans
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.)
VVB ELEKTROCHEMIE und PLASTE
Original Assignee
VVB ELEKTROCHEMIE und PLASTE
Publication date
Application grantedgrantedCritical
Publication of CA842774ApublicationCriticalpatent/CA842774A/en