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.)
Algemeene Norit Mij
Original Assignee
Algemeene Norit Mij
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 Algemeene Norit MijfiledCriticalAlgemeene Norit Mij
Application grantedgrantedCritical
Publication of FR558560ApublicationCriticalpatent/FR558560A/en