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
CA753688A
Inventor
Waag Theodor
Wolter Gerhard
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.)
VEB FARBENFABRIK WOLFEN
Original Assignee
VEB FARBENFABRIK WOLFEN
Publication date
Application grantedgrantedCritical
Publication of CA753688ApublicationCriticalpatent/CA753688A/en