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.)
Gutehoffnungshutte Sterkrade AG
Original Assignee
Gutehoffnungshutte Sterkrade AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gutehoffnungshutte Sterkrade AGfiledCriticalGutehoffnungshutte Sterkrade AG
Priority to FR904819ApriorityCriticalpatent/FR1332834A/en
Application grantedgrantedCritical
Publication of FR1332834ApublicationCriticalpatent/FR1332834A/en