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.)
SCHMELZ und RAFFINIERWERKE AG
Original Assignee
SCHMELZ und RAFFINIERWERKE 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 SCHMELZ und RAFFINIERWERKE AGfiledCriticalSCHMELZ und RAFFINIERWERKE AG
Application grantedgrantedCritical
Publication of FR696448ApublicationCriticalpatent/FR696448A/fr