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.)
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.)
GLASWERKE RUHR AG
Original Assignee
GLASWERKE RUHR AG
Filing date
Publication date
Application filed by GLASWERKE RUHR AGfiledCriticalGLASWERKE RUHR AG
Application grantedgrantedCritical
Publication of AU214028B2publicationCriticalpatent/AU214028B2/en
Publication of AU2253756ApublicationCriticalpatent/AU2253756A/en