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.)
Deutsche Kohlenbergbau-Leit-Ung
Original Assignee
Deutsche Kohlenbergbau-Leit-Ung
Filing date
Publication date
Application filed by Deutsche Kohlenbergbau-Leit-UngfiledCriticalDeutsche Kohlenbergbau-Leit-Ung
Application grantedgrantedCritical
Publication of AU166310B2publicationCriticalpatent/AU166310B2/en
Publication of AU1219552ApublicationCriticalpatent/AU1219552A/en